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Notes on an Interesting Collection of Fossil Fruits from Vermont, in the Museum of the Geological Survey of Canada
Vol 20, Iss 1, Page 15
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On the Structure of Roots
Vol 20, Iss 1, Page 18
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A May Morning with the Birds in New Brunswick
Vol 20, Iss 1, Page 22
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Spergula arvensis L.
Vol 20, Iss 1, Page 24
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Nature Study No. 33 - Definite Problems in Nature Study
Vol 20, Iss 1, Page 25
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Bird Notes
Vol 20, Iss 2, Page 40
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The Ottawa Species of Eriophorum
Vol 20, Iss 2, Page 41
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Mosses with a Hand-Lens: A New Nature Study Book, by A. J. Grout [Review]
Vol 20, Iss 2, Page 44
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Nature Study No. 34 - A Cement Sidewalk
Vol 20, Iss 2, Page 45
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A Sagatious Crow
Vol 20, Iss 3, Page 49
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The Chambord Meteroite
Vol 20, Iss 3, Page 51
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Notes on the Eggs of the Solitary Sandpiper
Vol 20, Iss 3, Page 52
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Nesting of Wilson's Snipe
Vol 20, Iss 3, Page 53
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Chrysanthemum leucanthremium L.
Vol 20, Iss 3, Page 55
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Zoological Report 1906
Vol 20, Iss 3, Page 56
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Eriophorum russeolum, Fr. vs. E. chamissonis, C. A. Mey
Vol 20, Iss 3, Page 62
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The Identity of Eriophorum chamissonis and E. Russeolum
Vol 20, Iss 3, Page 62
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Nature Study No. 35 - The Galt Park Wild-Flower Garden
Vol 20, Iss 3, Page 67
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Some Canadian Antennarias III
Vol 20, Iss 4, Page 71
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The Caribou of Queen Charlotte Islands
Vol 20, Iss 4, Page 73
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Ivy Poisoning and its Treatment
Vol 20, Iss 4, Page 77
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The Great Gray Owl
Vol 20, Iss 4, Page 79
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Curious Natural Freak
Vol 20, Iss 4, Page 81
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Report of the Entomological Branch, 1907
Vol 20, Iss 4, Page 82
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Records of rare birds in the Maritime Provinces, 1905
Vol 20, Iss 4, Page 88
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Nature Study No. 36 - Chemical Union
Vol 20, Iss 4, Page 89
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The Species of Botryocrinus
Vol 20, Iss 5, Page 93
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Some New Plants from the Canadian Rockies and Selkirks
Vol 20, Iss 5, Page 105
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Richardson's Merlin
Vol 20, Iss 5, Page 111
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The Golden Winged Warbler in Manitoba
Vol 20, Iss 5, Page 112
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Correspondence
Vol 20, Iss 5, Page 113
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Mountain Wild Flowers of Canada, by Julia Henshaw [Review]
Vol 20, Iss 5, Page 114
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Notes on some Land and Fresh Water Shells from British Columbia
Vol 20, Iss 6, Page 115
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Extracts from the Diary of the late Robt. Elliott (Continued from Vol. XIX p. 178)
Vol 20, Iss 6, Page 120
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Bird Migration, 1905
Vol 20, Iss 6, Page 127
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Correction
Vol 20, Iss 6, Page 131
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Mosses with a Hand-Lens: A New Nature Study Book, by A. J. Grout [Review]
Vol 20, Iss 6, Page 132
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Notes on Cyrtoceras cuneatum
Vol 20, Iss 7, Page 133
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Contributions to Canadian Botany XVII
Vol 20, Iss 7, Page 135
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The Spring Migration of Birds at Ottawa of the year 1906, compared with that of other seasons
Vol 20, Iss 7, Page 144
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Nature Study No. 37 - The Cecropia Emporor Moth
Vol 20, Iss 7, Page 149
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Animal Coloration
Vol 20, Iss 8, Page 153
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Contributions to Canadian Botany XVIII
Vol 20, Iss 8, Page 162
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Limnaea megasoma
Vol 20, Iss 8, Page 172
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Nature Study No. 38 - School Exhibits of Pressed Plants
Vol 20, Iss 8, Page 173
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The Cryptogamic Flora of Ottawa
Vol 20, Iss 9, Page 177
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An addition to our Manitoba Warblers
Vol 20, Iss 9, Page 189
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Cecropia Emperor Moth
Vol 20, Iss 9, Page 189
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Note on the "Teal-Weed " of St. Clair Flats
Vol 20, Iss 9, Page 190
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Studies of Plant Life in Canada, by Catherine Parr Trail [Review]
Vol 20, Iss 9, Page 191
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Nature Study No. 39 - Agencies for the Promotion of Nature-Study in Canada
Vol 20, Iss 9, Page 193
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Description of Eupithecia fletcherata, a Geometric Moth from Ottawa, New to Science
Vol 20, Iss 10, Page 200
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Infusorial Earth near Lake Windemere, B. C
Vol 20, Iss 10, Page 205
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Nature Study No. 40 - Manual Training - the Mechanical Hobby
Vol 20, Iss 10, Page 207
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A Swarm of Butterflies
Vol 20, Iss 11, Page 211
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The Fulvous Tree-Duck in British Columbia
Vol 20, Iss 11, Page 213
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Notes on the Skeleton of a White Whale or Beluga, Recently Discovered in Pleistocene Deposits at Pakenham, Ontario
Vol 20, Iss 11, Page 214
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Some Notes on Winter Birds
Vol 20, Iss 11, Page 217
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Nature Study No. 41 - Manual Training II, The Machinist's Art
Vol 20, Iss 11, Page 225
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Some Curious Facts about Fishes
Vol 20, Iss 12, Page 229
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The Disappearance of the Passenger Pigeon
Vol 20, Iss 12, Page 236
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Correspondence
Vol 20, Iss 12, Page 238
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Notes on some Fresh- Water Shells from Manitoba
Vol 20, Iss 12, Page 239
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Meteorological Observations at Ottawa
Vol 20, Iss 12, Page 241
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Nature Study No. 42 - The Relation of Sparrows to Agriculture
Vol 20, Iss 12, Page 247