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Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1882)

A new and copious lexicon of the Latin language .... - Leverett, F. P. (Frederick Percival), 1803 -1836 (Wilkins, Carter and co, 1851)

New elements of botany - Richard, Achille, 1794 -1852 (P. Byrne, 1829)

New fresh water shells of the United States : with coloured illustrations, and a monograph of the genus anculotus of Say; also a synopsis of the American naiades - Conrad, T. A. (Timothy Abbott), 1803 -1877 (Judah Dobson, 108 Chesnut Street. E.G. Dorsey, printer, 1834)

Nicolai Parthenii Giannettasii Neapolit. Soc. Jesu. Halieutica - Raillardo, Jacopo, (Ex officina Jacobi Raillard, 1689)

Nomenclator botanicus. Nominum ad finem anni 1858 publici juris factorum, classes, ordines, tribus, familias, divisiones, genera, subgenera vel sectiones designatium enumeratio alphabetica. Adjectis auctoribus, temporibus, locis systematicis, apud varios, notis literariis atque etymologicis et synonymis - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischeri, 1873)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

Non-marine mollusca of Patagonia - Pilsbry, Henry Augustus, 1862 -1957 (1911)

The non-marine mollusca of Portuguese East Africa - Connolly, Matthew William Kemble, 1872 -1947 (Royal Society of South Africa, 1922)

North American botany; comprising the native and common cultivated plants, north of Mexico. Genera arranged according to the artificial and natural methods - Eaton, Amos, 1776 -1842 (E. Gates, 1840)

The North British cultivator: a treatise on gardening, agriculture and botany - Macnab, Robert. (J. Dewar and T. Richardson, booksellers, J. & J. Taylor, 1842)

Note sur quelques Unionidés (Mollusques pélécypodes) de la Normandie - Germain, Louis, 1878 -1942 (J.-B. Bailliére et Fils, 1908)

Notices of the proceedings at the meetings of the members of the Royal Institution, with abstracts of the discourses - Royal Institution of Great Britain. (W. Nicol, Printer to the Royal Institution, 1908)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1831)

Nouveaux éléments de botanique contenant l'organographie, l'anatomie, la physiologie végétales et les caractères de toutes les familles naturelles - Richard, Achille, 1794 -1852 (F. Savy, 1864)

Observations on the genus Unio, together with descriptions of new genera and species ... - Lea, Isaac, 1792 -1886 (Printed by J. Kay, Jun., & Co. [etc.], 1834)