1893-4 wholesale catalogue of hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bellevue Nursery, 1894)

1903-1904 fall and spring wholesale prices : Kelsey's hardy American rhododendrons, azaleas, kalmias, and other rare native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1904)

1904-1905 Fall and Spring wholesale trade prices [of] Kelsey's hardy American plants and Carolina mountain flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1905)

1905-1906 wholesale price-list : Harlan P. Kelsey hardy American plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1906)

1906-1907 wholesale price-list : strictly hardy rhododendrons, azaleas, kalmias, andromedas, lilies, cypripediums, ferns, sarracenias, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1907)

1917 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Newcomb & Gauss, 1917)

1918 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Newcomb & Gauss, 1918)

1920-1921 Cherry Hill Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.C. Thurlow & Sons, 1921)

1920 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nurseries, 1920)

1922 catalogue of the Independence Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Independence Nurseries, 1922)

1922 Weber's guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.J. Weber & Sons Nursey Co, 1922)

1923 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fottler, Fiske, Rawson Co, 1923)

1924 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fottler, Fiske, Rawson Co, 1924)

1927 price list of collected native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Co, 1927)

1928 price list of collected native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Co, 1928)

1929 price list of collected native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Co, 1929)

1929 spring new plants [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank W. Campbell, 1929)

1930 price list of collected native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Co, 1930)

1931 Kelsey-Highlands Nursery [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1931)

1932 wholesale price list of collected native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Co, 1932)

1932 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1932)

1933 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1933)

1934 wholesale price list of collected and nursery grown native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1934)

1935 price list of hardy native ferns, bulbs, vines, plants, water plants, evergreens and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. J. Nudd, 1935)

1935 wholesale price list of collected and nursery grown native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1935)

1935 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1935)

1936 catalog of Rose Hill Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nursery, 1936)

1936 native trees and shrubs, specialists in Canada hemlock for hedges - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles G. Curtis Co, 1936)

1936 Whole trade list of hardy native ferns, bulbs, vines, plants, aquatic and bog plants, evergreens and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. J. Nudd, 1936)

1936 Wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1936)

1937 native trees and shrubs, specialists in Canada hemlock for hedges - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles G. Curtis Co, 1937)

1937 wholesale price list of collected native trees, shrubs, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.E. Williams Nursery Company, 1937)

1937 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1937)

1938 general price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Naperville Nurseries, 1938)

1938 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1938)

1939 general price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Naperville Nurseries, 1939)

1939 native trees and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles G. Curtis Co, 1939)

1939 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, and shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1939)

1940 wholesale trade list of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1940)

1942 bargain book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries and Seed House, 1942)

1942 wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles G. Curtis Co, 1942)

1943 bargain book, 50th Anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries and Seed House, 1943)

1954 handbook of alpines and rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1954)

1954 wholesale trade list : of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1954)

1955 price list of alpines and rock garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1955)

1955 wholesale trade list : of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1955)

1956 price list of alpines and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1956)

1957 price list of alpines and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1957)

1957 wholesale trade list : of hardy native lilies, orchids, ferns, aquatic and bog plants, wild flowers, deciduous trees, shrubs, and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1957)

1958 price list of alpines and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1958)

24th annual wholesale price list of the Charles G. Curtis Co., growers and collectors - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Callicoon Nurseries, 1927)

25th annual wholesale price list of the Charles G. Curtis Co., growers and collectors - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Callicoon Nurseries, 1928)

26th annual wholesale price list of the Charles G. Curtis Co., nurserymen and collectors - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Callicoon Nurseries, 1929)

27th annual wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Callicoon Nurseries, 1930)

28th annual wholesale price list of the Charles G. Curtis Co. : nurserymen and collectors - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Callicoon Nurseries, 1931)

29th annual catalogue of the Charles G. Curtis Co., nurserymen and collectors - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles G. Curtis Co, 1932)

30th annual catalogue of the Charles G. Curtis Co., nurserymen and collectors - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles G. Curtis Co, 1933)

31st annual catalogue of Charles G. Curtis Co., nurserymen and collectors - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles G. Curtis Co, 1934)

32nd annual catalogue of the Charles G. Curtis Co., nurserymen and collectors - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles G. Curtis Co, 1935)

41st annual catalog : Will's Pioneer Seed House - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1924)

42nd annual catalog, 1883-1925 : Pioneer Seed House, nursery and greenhouses of the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1925)

43rd annual catalog, 1883-1926 : Pioneer Seed House, nursery and greenhouses of the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1926)

44th annual catalog, 1883-1927 : Pioneer Seed House, nursery and greenhouse of the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1927)

52nd annual catalog : Lovett's Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lovett's Nursery, 1930)

81 years of nursery service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1928)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1920)

Addisonia : colored illustrations and popular descriptions of plants - New York Botanical Garden (New York Botanical Garden, 1932)

An address on the botany of the United States, delivered before the Society for the Promotion of Useful Arts. To which is added A catalogue of plants indigenous to the state of New York - Green, Jacob, 1722 -1790 (Printed by Websters and Skinners, 1814)

After fifty years : 1882-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1932)

The Aiken Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1945)

The Aiken Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1946)

The Aiken Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1951)

The Aiken Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1952)

The Aiken Nurseries catalog for 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1947)

The Aiken Nurseries catalogue for 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1948)

The Aiken Nurseries : nationally known for wildflowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1944)

The Aiken Nurseries Putney, Vermont - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1949)

The Aiken Nurseries Putney, Vermont - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1950)

Aiken's 1953 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aiken Nurseries, 1953)

Albert Schenkel, Samen : 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albert Schenkel, 1935)

Albert Schenkel, Samen : 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albert Schenkel, 1936)

Alewife Reservation & Alewife Brook master plan - Massachusetts. Metropolitan District Commission. (The Bioengineering Group, 2003)

Allen's 1932 bargain catalog : fruits, trees, seeds and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries & Seed House, 1932)

Allen's 1933 bargain catalog : fruits, trees, seeds and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries & Seed House, 1933)

Allen's 1934 bargain catalog : "Golden rule service" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries & Seed House, 1934)

Allen's 1936 bargain book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries and Seed House, 1936)

Allen's 1938 bargain book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries and Seed House, 1938)

Allen's 1939 bargain book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries and Seed House, 1939)

Allen's 1941 bargain book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries and Seed House, 1941)

Allen's bargain catalog for 1935 : "Golden rule service" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries & Seed House, 1935)

Allen's "golden rule" service : 1931 : fruits, trees, seeds and vines : bargain catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries & Seed House, 1931)

Allgemeine deutsche Garten-Zeitung - Praktische Gartenbau-Gesellschaft im Bayern zu Frauendorf. (F. Pustet, 1824)

Allgemeine deutsche Garten-Zeitung - Praktische Gartenbau-Gesellschaft im Bayern zu Frauendorf. (F. Pustet, 1827)

Allgemeine deutsche Garten-Zeitung - Praktische Gartenbau-Gesellschaft im Bayern zu Frauendorf. (F. Pustet, 1828)

Allgemeine deutsche Garten-Zeitung - Praktische Gartenbau-Gesellschaft im Bayern zu Frauendorf. (F. Pustet, 1831)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1843)

Alpine flowers for English gardens - Robinson, W. (William), 1838 -1935 (J. Murray, 1870)

Alpine flowers for English gardens - Robinson, W. (William), 1838 -1935 (Murray, 1879)

Alpine flowers for gardens : rock, wall, marsh plants, and mountain shrubs - Robinson, W. (William), 1838 -1935 (John Murray, 1903)

Alpine flowers for gardens; rock, wall, marsh plants, and mountain shrubs - Robinson, W. (William), 1838 -1935 (J. Murray, 1910)

Alpine, herbaceous and bedding plants, shrubs, vines and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1921)

Alpine plants : figures and descriptions of some of the most striking and beautiful of the alpine flowers - Lydon, A. F. (Alexander Francis) (Bell and Daldy, York Street, Covent Garden, 1872)

Alpine plants for rock-gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buskirk's Independence Nurseries, 1930)

Alpines, rock garden, perennials, native violets, dwarf iris, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1951)

American agriculturist (Orange Judd Co., Publishers [etc.], 1854)

American agriculturist (Orange Judd Co., Publishers [etc.], 1939)

American bee journal (Dadant & Sons, 1920)

American botany, 1873-1892; decades of transition - Rodgers, Andrew Denny, 1900 -1981 (Princeton University Press, 1914)

American entomology : a description of the insects of North American, with illustrations drawn and colored after nature - Say, Thomas, 1787 -1834 (Estes & Lauriat, 1859)

American entomology, or Descriptions of the insects of North America : illustrated by coloured figures from original drawings executed from nature - Say, Thomas, 1787 -1834 (Philadelphia Museum, S.A. Mitchell, 1824)

The American farm register - Hough, Franklin Benjamin, 1822 -1885 (L. H. Everts, 1879)

American fern journal - American Fern Society. (American Fern Society, 1922)

American fern journal - American Fern Society. (American Fern Society, 1950)

American fern journal - American Fern Society. (American Fern Society, 1970)

American fern journal - American Fern Society. (American Fern Society, 1978)

American fern journal - American Fern Society. (American Fern Society, 1980)

American fern journal - American Fern Society. (American Fern Society, 1982)

American fern journal - American Fern Society. (American Fern Society, 1988)

American fern journal - American Fern Society. (American Fern Society, 1990)

American fern journal - American Fern Society. (American Fern Society, 1997)

American fern journal - American Fern Society. (American Fern Society, 2004)

The American flora : or history of plants and wild flowers : containing their scientific and general description, natural history, chemical and medical properties, mode of culture, propagation , &c., designed as a book of reference for botanists, physicians, florists, gardeners, students, etc - Strong, Asa B. (Hull & Spencer, 1855)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1886)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1889)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1892)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1894)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1895)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1986)

The American florist : a weekly journal for the trade - American Florists Company. (American Florist Company, 1908)

American forestry - American Forestry Association. (American Forestry Association, 1917)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1920)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1922)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1892)

The American journal of science, & c (J. Eastburn and Co, 1819)

The American journal of science, & c (J. Eastburn and Co, 1818)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1822)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1824)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1828)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1851)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1913)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1909)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1917)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1921)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1895)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1902)

Ames forester - Iowa State College. Forestry Club. (The Forestry club of the Iowa state college, 1913)

Andorra, fall 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1922)

Andorra : fall 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1923)

Andorra fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc.], 1924)

Andorra Nurseries, spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1922)

Andorra spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc.], 1924)

Annales de la Société royale d'agriculture et de botanique de Gand : journal d'horticulture et des sciences accessoires - Morren, Charles, 1807 -1858 (Société royale d'agriculture et de botanique, 1848)

Annales des sciences naturelles. Botanique (Fortin, Masson, 1846)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1847)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1888)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1905)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1917)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1897)

Annals of horticulture ; and year-book of information on practical gardening (Charles Cox, 1846)

Annals of horticulture ; and year-book of information on practical gardening (Charles Cox, 1847)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1929)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1931)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1935)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1972)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1974)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1989)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2000)

Annals of the New York Academy of Sciences - New York Academy of Sciences. (New York Academy of Sciences, 1889)