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Five days with a pair of nesting Canada jays
Vol 61, Iss 1, Page 1
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Note on the delimitation of the arctic and subarctic zones
Vol 61, Iss 1, Page 12
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Geographic variation in the incidence of occurrence of the blue phase of the arctic fox in Canada
Vol 61, Iss 1, Page 15
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Holboell's grebe's strange death
Vol 61, Iss 1, Page 21
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Another hybrid flicker in the Ottawa district
Vol 61, Iss 1, Page 21
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Mouse kills snake
Vol 61, Iss 1, Page 21
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Long-tailed chat on Vancouver Island
Vol 61, Iss 1, Page 22
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Warbler mortality and the late spring of 1945, in Ontario and Quebec
Vol 61, Iss 1, Page 22
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Birds of the vicinity of North Bay, Ontario
Vol 61, Iss 2, Page 23
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A new record of a species of agonid fish, Occa verrucosa (Lockington) from the west coast of Vancouver Island, British Columbia
Vol 61, Iss 2, Page 39
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Investigations on rubber-bearing plants. V. Notes on the flower biology and pod yield of Asclepias syriaca L.
Vol 61, Iss 2, Page 40
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Observations on the birds of the Petawawa Military Reserve and surrounding district, Renfrew County, Ontario
Vol 61, Iss 2, Page 47
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First dates of anthesis for four trees at Ottawa, Ontario, for the period of 1936 to 1945
Vol 61, Iss 2, Page 56
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Christmas Bird Census — 1946
Vol 61, Iss 2, Page 60
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Hudsonian Chickadee and Golden-winged Warbler in southern Ontario
Vol 61, Iss 2, Page 67
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A nesting record of the Western Tanager, Piranga ludoviciana, in east central Saskatchewan
Vol 61, Iss 2, Page 67
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Occurrence of the Wood Turtle on the Petawawa Reserve, Renfrew County, Ontario
Vol 61, Iss 2, Page 67
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A mouse-catching crow
Vol 61, Iss 2, Page 68
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The Brown Rat, Rattus norvegicus, in British Columbia
Vol 61, Iss 2, Page 68
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Snowy Owls in Peel Co., Ontario
Vol 61, Iss 2, Page 68
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A nest of the Least Weasel
Vol 61, Iss 2, Page 69
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Longevity of captive snails
Vol 61, Iss 2, Page 69
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Plant life of the Pacific World, by Elmer D. Merrill [Review]
Vol 61, Iss 2, Page 70
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Field book of eastern birds, by Leon Augustus Hausman [Review]
Vol 61, Iss 2, Page 70
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American species of Amelanchier, by George Neville Jones [Review]
Vol 61, Iss 2, Page 70
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Catalogue of the vascular plants of central eastern Saskatchewan
Vol 61, Iss 3, Page 71
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Notes on the birds of Emma Lake, Saskatchewan
Vol 61, Iss 3, Page 105
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Timber wolf den and pups
Vol 61, Iss 3, Page 115
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An early breeding record of the starling in Ontario
Vol 61, Iss 3, Page 115
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Microtus minor and the prairie lily
Vol 61, Iss 3, Page 116
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Pallas's murre in British Columbia
Vol 61, Iss 3, Page 116
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Chickadees and bush-tit in the lower Fraser Valley, B.C.
Vol 61, Iss 3, Page 116
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Some recent observations on the birds of Banff National Park, Alberta
Vol 61, Iss 3, Page 117
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A long- tailed jaeger at Ottawa, Ontario
Vol 61, Iss 3, Page 117
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Peromyscus maniculatus macrorhinus and the problem of insularity, by T. T. McCabe and Ian McTaggart Cowan [Review]
Vol 61, Iss 3, Page 118
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Fruit key to northeastern trees, by William M. Harlow [Review]
Vol 61, Iss 3, Page 118
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The vegetation of the Annapolis Valley, by Albert E. Roland [Review]
Vol 61, Iss 3, Page 118
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The double-crested cormorant nesting in Ontario
Vol 61, Iss 4, Page 119
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Alpine plants in the Pigeon Lake district of Alberta
Vol 61, Iss 4, Page 126
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Clutch size in the spruce grouse and theoretical considerations of some factors affecting clutch size
Vol 61, Iss 4, Page 127
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Notes on some fall and winter birds of the Queen Charlotte Islands, British Columbia
Vol 61, Iss 4, Page 131
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A survey of the Decapod Crustacea of Wailupe commercial fish pond near Honolulu, Hawaii
Vol 61, Iss 4, Page 134
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Ottawa bird notes
Vol 61, Iss 4, Page 140
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Hackberry in and adjacent to the Province of Quebec
Vol 61, Iss 4, Page 141
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Trout with abnormally long fins
Vol 61, Iss 4, Page 142
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Observations on mammals and birds in the Rocky Mountains of Alberta
Vol 61, Iss 5, Page 143
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Glyceria maxima in Canada
Vol 61, Iss 5, Page 174
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Cougar seen near Medicine Hat, Alberta
Vol 61, Iss 5, Page 174
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The genus Dryas in North America
Vol 61, Iss 6, Page 175
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Geographical variation in the loon, Gavia immer (Brunnich)
Vol 61, Iss 6, Page 193
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A new long-eared owl
Vol 61, Iss 6, Page 196
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The European praying mantis (Mantis religiosa L.) at Hamilton, Ontario
Vol 61, Iss 6, Page 197
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An erroneous record of the swallow-tailed kite in New Brunswick
Vol 61, Iss 6, Page 198
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Aquatic behaviour of a jumping mouse
Vol 61, Iss 6, Page 198
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An opossum in Kent County, Ontario
Vol 61, Iss 6, Page 199
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First record of the short-tailed shrew, (Blarina brevicauda manitobensis Anderson) in Saskatchewan
Vol 61, Iss 6, Page 199