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Introductory
Vol 33, Iss 1, Page 1
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Notes on the Caspian Tern and the Parasitic Jaeger in Manitoba
Vol 33, Iss 1, Page 1
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Douglas Fir Sugar
Vol 33, Iss 1, Page 6
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Museums as Educational Institutions
Vol 33, Iss 1, Page 10
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The Birds of Shoal Lake, Manitoba
Vol 33, Iss 1, Page 12
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Brief Report of the Ottawa Field-Naturalists Club for Year Ending March 18, 1919
Vol 33, Iss 1, Page 20
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Remarks Concerning Sand Launces
Vol 33, Iss 1, Page 21
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American Soc. of Mammalogists
Vol 33, Iss 1, Page 21
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Mountain Blue Bird and its Irregular Appearance
Vol 33, Iss 1, Page 21
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Outlines of Economic Zoology by Albert M. Reese [Review]
Vol 33, Iss 1, Page 22
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Injurious Insects and Useful Birds by F. L. Washburn [Review]
Vol 33, Iss 1, Page 22
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On the Early History of the American Lobster
Vol 33, Iss 1, Page 22
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Canadian Aboriginal Canoes
Vol 33, Iss 2, Page 23
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The Flora of Kapuskasing and Vicinity
Vol 33, Iss 2, Page 33
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Bird Protection in Canada
Vol 33, Iss 2, Page 36
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Bird Migration
Vol 33, Iss 2, Page 37
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The White Pelican in Alberta
Vol 33, Iss 2, Page 38
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An Hermaphrodite Lobster
Vol 33, Iss 2, Page 40
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Bird Notes
Vol 33, Iss 2, Page 40
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Canada Jay
Vol 33, Iss 2, Page 40
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Bird Note
Vol 33, Iss 2, Page 40
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Epidemic of Roup in the Crow Roosts of the Lower Thames River
Vol 33, Iss 2, Page 40
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Economic Entomology by William Lochhead [Review]
Vol 33, Iss 2, Page 41
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The Works of J. Henri Fabre [Review]
Vol 33, Iss 2, Page 41
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Key to the Rocky Mountain Flora by P. A. Rydberg [Review]
Vol 33, Iss 2, Page 42
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Notes on Canadian Weasels
Vol 33, Iss 3, Page 43
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An Unrecognized Subspecies of Melanerpes erythrocephalus
Vol 33, Iss 3, Page 48
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Notes on Some of the Fishes of Alberta and Adjacent Waters
Vol 33, Iss 3, Page 50
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Nesting of the Caspicui Tern in the Georgian Bay
Vol 33, Iss 3, Page 55
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An Important Distinction Between Our Two Goldeneyes
Vol 33, Iss 3, Page 57
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The Migratory Birds Convention
Vol 33, Iss 3, Page 58
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A Rattlesnake, Melano Garter Snakes and Other Reptiles from Point Pelee, Ont.
Vol 33, Iss 3, Page 60
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Canada-How an Algonquin Country Received an Iroquois Name
Vol 33, Iss 3, Page 61
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An Ontario Bird Sanctuary
Vol 33, Iss 3, Page 62
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Archaeology as an Aid to Zoology
Vol 33, Iss 4, Page 63
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Types of Canadian Carices
Vol 33, Iss 4, Page 72
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Hunting the Barren Ground Grizzly on the Shores of the Arctic
Vol 33, Iss 4, Page 77
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Bird Study from a Duck-blind
Vol 33, Iss 4, Page 79
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The Game Birds of California, by Jos. Grinnell, Harold Child Bryant and Tracy Irwin Storer [Review]
Vol 33, Iss 4, Page 82
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Errata
Vol 33, Iss 4, Page 82
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Canadian Sphaeriidae
Vol 33, Iss 5, Page 83
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Field Studies of Life-Histories of Canadian Mammals
Vol 33, Iss 5, Page 86
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Birds in Relation to Sunflower Growing in Manitoba
Vol 33, Iss 5, Page 90
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Notes on the Bahavior of the Chipmunk
Vol 33, Iss 5, Page 92
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The Ornithological Collector and the Law
Vol 33, Iss 5, Page 93
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Ribes divaricatum X Ribes Lobbii.
Vol 33, Iss 5, Page 94
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A New Cliff Swallow from Canada
Vol 33, Iss 5, Page 95
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The Climatic Interpretation of Two Early Ordovician Mud-crack Horizons
Vol 33, Iss 5, Page 96
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Botrychium obliquum Muhl., and var. dissectum (Spreng.) new to the Province of Quebec
Vol 33, Iss 5, Page 97
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Remarks on the Metamorphosis of the Scallop
Vol 33, Iss 5, Page 98
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A Robin's Mistake
Vol 33, Iss 5, Page 98
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The Birds of Middle and North America Part VIII by Robert Ridgeway [Review]
Vol 33, Iss 5, Page 99
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Hamilton M. Laing
Vol 33, Iss 5, Page 99
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Bird Notes
Vol 33, Iss 5, Page 100
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Wild Animals of Glacier National Park by Vernon Bailey [Review]
Vol 33, Iss 5, Page 101
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Champlain's Astrolabe
Vol 33, Iss 6, Page 103
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Birds of Northern Saskatchewan and Northern Manitoba Collected in 1914 by Capt. Angus Buchanan
Vol 33, Iss 6, Page 109
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Random Botanical Notes III. Isle-aux-Coudres, Quebec
Vol 33, Iss 6, Page 114
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Breeding of Mourning Dove near Ottawa, Ont.
Vol 33, Iss 6, Page 117
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Bachman's Sparrow an Addition to the Canadian Fauna
Vol 33, Iss 6, Page 118
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The Status of Bewick's Wren in Ontario
Vol 33, Iss 6, Page 118