NORTH AMERICAN SALMONIDAE 



269 



Seymour, Allyn. 



1959. Effects of teniiierature upon the formation of 

 vertebrae and fin rays in young chinook salmon. 

 Transactions of the American Fisheries Society, 

 vol. 88, no. 1, p. 58-69. 

 Shapovalov, Leo. 



1947. Distinctive characters of the sjjecies of ana- 

 dromous trout and salmon found in California. 

 California Fish and Game. vol. 33, no. 3. p. 185-190. 

 Simon, James R. 



1946. Wyoming fishes. Wyoming Game and Fish 

 Department Bulletin No. 4, p. 1-129. 

 SiVEDECOR, George W. 



1956. Statistical methods. Iowa State College Press, 

 Ames, 534 p. 

 Snyder, John O. 



1931. Salmon of the Klamath River, California. 

 California Department of Fish and Game, Fishery 

 Bulletin No. 34, p. 1-130. 

 1940. The trouts of California. California Fish and 

 Game, vol. 26, no. 2, p. 96-138. 

 Stenton, J. E. 



1950. Artificial hybridization of eastern brook trout 

 and lake trout. Canadian Fish Culturist, no. 6, p. 

 20-22. 

 1952. Additional information on eastern brook trout 

 X lake trout hybrids. Canadian Fish Culturist, no. 

 13, p. 15-21. 

 Stokell, Q. 



1949. The numerical characters of five hybrid trout. 

 Records of the Canterbury Museum (N.Z. ), vol. 5, 

 p. 209-212. 



SVARDSON, GUNXAR. 



1SH5. Chromosome studies on Salmonidae. Fishery 

 Board of Sweden, Institute af Freshwater Re- 

 search, Drottningholm, Report No. 23, p. l-lol. 

 Taft, Alan C. 



1938. Pink Salmon in California. California Pish 

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Taxing, A. Vedel. 



19.52. Experimental study o£ meristic characters in 

 fishes. Biological reviews, Cambridge Philosophi- 

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TCHERXAVIN. V. V. 



1939. The origin of salmon. Is its ancestry marine 

 or freshwater. Salmon and Trout Magazine, vol. 

 95, p. 120-140. 



Townsexd, Lawrence D. 



1044. Variation in the number of i)yloric caeca and 

 other numerical characters in chinook salmon and 

 in trout. Copeia, 1944, no. 1, p. 52-54. 

 Vladykov, Vadim D. 



19.>4. Taxonomic characters of the eastern Norti 

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 Journal of the Fisheries Re.search Board of Can- 

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 WiLDjai, D. G. 



1952. A comparative study of anadromous and fresh- 

 water populations of brook trout (SalrcUniis fonti- 

 ualis (Mitchell)). Journal of the Fisheries Re- 

 search Board of Canada, vol. 9, no. 4, p. 169-203. 

 Wright, J. E. 



1955. Chromosome numbers in trout. U.S. Fish and 

 Wildlife Service, Progressive Fish-Culturist, vol. 17, 

 no. 4, p. 172-176. 



