. The Canadian field-naturalist. VoL 65 MARCH-APRIL 1951 / mii o^ ,../ No. 2. The CANA: FIELD - NATURALIST Contents 0\. Plants from the upper Frobisher Bay region, Baffin Island, , Canada. -^ By J. A. Calder 47 A walrus in the Bay of Fundy; the first record. By Bruce S. Wright 61 Notes on the food and reproduction of the Pelee Island water snake, Natrix sipedon insularum Conant and Clay. By W. J. Hamilton, Jr 64 Sixth census of non-passerine birds in the bird sanctuaries of the North Shore of the Gulf of St. Lawrence. By John S. Tener 65 Christmas bird census — 1950 68 Two new Oxytropis
. The Canadian field-naturalist. VoL 65 MARCH-APRIL 1951 / mii o^ ,../ No. 2. The CANA: FIELD - NATURALIST Contents 0\. Plants from the upper Frobisher Bay region, Baffin Island, , Canada. -^ By J. A. Calder 47 A walrus in the Bay of Fundy; the first record. By Bruce S. Wright 61 Notes on the food and reproduction of the Pelee Island water snake, Natrix sipedon insularum Conant and Clay. By W. J. Hamilton, Jr 64 Sixth census of non-passerine birds in the bird sanctuaries of the North Shore of the Gulf of St. Lawrence. By John S. Tener 65 Christmas bird census — 1950 68 Two new Oxytropis from arctic Alaska and Yukon. By A. E. Porsild 76 Notes and Observations:— Intimidation display of red-bellied snake. By Frederick E. Warburton 79 A bat on the ground in daylight. By Frederick E. Warburton 79 Manitoba bird records, 1950. By L. T. S. Norris-Elye 79 Lake Erie ciscoes free of Triaenophorus crassus. By W. B. Scott 80 «. White-throated Sparrow at Goose Bay, Labrador. By W. W. Judd 80 Notes on the Peromyscus of Ontario. By Russell J. Rutt^r 80 Breeding-bird census, 1950. By John W. Arnold, Ruth M. Horner, Verna Ross and Mary Stuart .... 81 Breeding census. By Mrs. D. B. O. Savile and T. F. Morland 81 A cormorant tragedy. By Henry A. C. Jackson 82 An otter at Niagara Falls. By R. W. Sheppard 82 The thresher shark in British Columbia. By G. Clifford Carl 83 Two new bird records for Nova Scotia. By R. W. Tufts 83 Reviews 84 ^ Published by the OTTAWA FIELD-NATURALISTS' CLUB Entered at the Post Office at Ottawa, Ont., as second class Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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