00000nam 2200000zi 4500 9.933059 CaOODSP 20250314140106 m o d f cr ||||||||||| 240129e195804##qucabd ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- Fs52-2/653E-PDF Mansfield, A. W. (Arthur Walter), 1926- author. The biology of the Atlantic walrus Odobenus rosmarus rosmarus (Linnaeus) in the Eastern Canadian Arctic / authorship, A. W. Mansfield. Montreal : Fisheries Research Board of Canada, April 1958. 1 online resource (xiii, 146 pages) : illustrations, maps, graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier Manuscript report series (biological) ; no. 653 Digitized edition from print [produced by Fisheries and Oceans Canada]. Includes bibliographical references (pages 126-131). "Sections of molariform teeth reveal well defined incremental layers which are almost certainly annual in formation. Comparison of specimens from northern Hudson Bay and the Bering Sea shows that the Atlantic walrus is slightly smaller in body size and much shorter in tusk length than the Pacific walrus. The specimens from Foxe Basin are slightly larger in body size than those from Hudson Bay, which suggests that comparatively isolated breeding groups have been formed"--Abstract, page [i]. Walrus Canada, Eastern. Zoology Canada. Morse Canada (Est) Zoologie Canada. Fisheries Research Board of Canada, issuing body. Manuscript report series (biological) no. 653. (CaOODSP)9.812823 PDF 7.22 MB https://publications.gc.ca/collections/collection_2024/mpo-dfo/Fs52-2-653-eng.pdf