. The Canadian field-naturalist. 304 The Canadian Field-Naturalist Vol. 93. Figure 1. The Hall's Bay Narwhal during the last week of its confinement. The tusk length was approximately 45 cm, which aged the animal at over 2 yr. Photographed by Duncan Findlayson. Literature Cited Banfield, A. W. F. 1974. The mammals of Canada. University of Toronto Press, Toronto. 438 pp. Ford, J. K. B. and H. D. Fisher. 1978. Underwater acou- stic signals of the Narwhal (Monodon monoceros). Canadian Journal of Zoology 56: 552-560. Mansfield, A. W., T. G. Smith, and B. Beck. 1975. The Narwhal, Monodon monoceros,


. The Canadian field-naturalist. 304 The Canadian Field-Naturalist Vol. 93. Figure 1. The Hall's Bay Narwhal during the last week of its confinement. The tusk length was approximately 45 cm, which aged the animal at over 2 yr. Photographed by Duncan Findlayson. Literature Cited Banfield, A. W. F. 1974. The mammals of Canada. University of Toronto Press, Toronto. 438 pp. Ford, J. K. B. and H. D. Fisher. 1978. Underwater acou- stic signals of the Narwhal (Monodon monoceros). Canadian Journal of Zoology 56: 552-560. Mansfield, A. W., T. G. Smith, and B. Beck. 1975. The Narwhal, Monodon monoceros, in eastern Canadian waters. Journal of the Fisheries Research Board of Canada 32: 1041-1046. Mercer, M. C. 1973. Observations on distribution and intraspecific variation in pigmentation patterns of odontocete Cetacea in the western North Atlantic. Journal of the Fisheries Research Board of Canada 30: 1111-1130. Sergeant, D. E. and H. D. Fisher. 1957. The smaller Cetacea of eastern Canadian waters. Journal of the Fisheries Research Board of Canada 14: 83-115. Received 19 September 1978 Accepted 30 January 1979 First Canadian Record of the Black Buffalo (Osteichthyes: Catostomidae) E. J. Grossman' and S. J. Nepszy^ 'Department of Ichthyology and Herpetology, Royal Ontario Museum, Toronto, Ontario M5S 2C6 ^Ontario Ministry of Natural Resources, #2, Wheatley, Ontario NOP 2P0 Crossman, E. J. and S. J. Nepszy. 1979. First Canadian record of the Black Buffalo (Osteichthyes: Catostomidae). Canadian Field-Naturalist 93(3): 304-^305. Ictiobus niger was captured in the Canadian waters of Lake Erie on 20 June 1978. Key Words: Black Buffalo, Ictiobus niger, first Canadian record. Lake Erie, geographical distribution. A specimen of Ictiobus niger, the Black Buffalo, one of the larger deep-bodied suckers, was captured in the Canadian waters of Lake Erie on 20 June 1978. It had been taken in a commercial trap net set by Please note that these images are extracted from scanned page


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