1490. , and A.B. Pyle. 1968. The survival and growth 



of three strains of rainbow trout (Salmo gairdneri) under 

 conditions of high natural temperatures with and without 

 other fishes. N.J. Dep. Conserv. Econ. Devel. Misc. Rep. 

 29, 10 p. 



1492. Solman, V.E.F. 1951. The creel census in the national parks 



of Canada. Trans. North Am. Wildl . Conf. 16:225-233. 



1493. , J. P. Currier, and W.C. Cable. 1952. Why- 

 have fish hatcheries in Canada's national parks? Trans. 

 North Am. Wildl. Conf. 17:226-234. 



1494. Solomon, D. J. , and A.R. Child. 1978. Identification of 



juvenile natural hybrids between Atlantic salmon 

 (Salmo salar L. ) and trout (Salmo trutta L.). J. Fish 

 Biol. 12(5):499-501. 



1499. Sommani, E. 1971. La trota-salmerino. Riv. Ital. Piscic. 



Ittiop. 6:55-56. 



1495. Sonstegard, R.A. , and L.A. McDermott. 1971. Infectious 



pancreatic necrosis of salmonids in Ontario. J. Fish. 

 Res. Board Can. 28(9 ): 1350-1351 . 



1496. Sorensen, P.Y. 1978. Natural hybridization in freshwater 



North American fishes with emphasis on the family 

 Cyprinidae. Ph.D. Thesis, Tulane Univ., New Orleans, 

 La. , 62 p. 



1497. Sormunen, T., and H. Kajosaari. 1963. Forsok med 



kanadaroding i Finland. (A try with lake trout in 

 Finland.) (In Swed. ) Fiskeritidskrift Finland 

 7(1):9-13. 



1498. . 1963. Kanadannierian hoitokokeiluja suomessa. 



Suom. Kalastuslehti 70(1): 6-10. 



1503. Spaas, J.T., and M.J. Heuts . 1958. Contributions to the 

 comparative physiology and genetics of the European 

 Salmonidae. II. Physiologie et genetique du developpe- 

 ment embryonnaire. Hydrobiologia 12(1): 1-26. 



1500. Spangler, G.R. 1971. Lake Huron unit: Splake. Res. Rev. 



Ont. Dep. Lands For. 70:47-49. 



1501. . 1972. Lake Huron unit: Splake. Res. Rev. 



Ont. Minist. Nat. Resour. 71:27-29. 



1502. , and A.H. Berst. 1976. Performance of lake 



trout (Salvelinus namaycush) backcrosses, F.. splake 

 (S. fontinalis x S. namaxjcush) and lake trout in Lake 

 Huron. J. Fish. Res. Board Can. 33 (11 ): 2402-2407 . 



128 



