CATFISH GENUS NOTURUS RAFENTESQUE 253 



identification of fishes. Virginia Agr. Exp. Sta. Tech. Bull., no. 

 146, pp. 1-27. 

 Ross, Robert D., and Carico, James E. 



1963. Records and distribution problems of fishes of the North, Middle, 

 and South Forks of the Holston River, Virginia. Virginia Agr. Exp. 

 Sta. Tech. BuU., no. 161, pp. 1-24. 

 Ross, Robert D., and Perkins, Benjamin D. 



1959. Drainage evolution and distribution problems of the fishes of the New 

 (upper Kanawha) River system in Virginia, Part III: Records of 

 fishes of the New River. Virginia Agr. Exp. Sta. Tech. Bull., 

 no. 145, pp. 1-35. 

 Ross, William F. 



1902. Studies of fishes of central Pennsylvania. Rep. Fish Comm. Penn- 

 sylvania, 1902, pp. 111-124. 



ROSTLUND, ErHARD 



1952. Freshwater fish and fishing in native North America. Univ. Californ i a 

 Pub. in Geography, vol. 9, pp. 1-314, 1 fig., 47 maps. 

 Ryder, John A. 



1886. On the value of the fin-rays and their characteristics of development 



in the classification of the fishes, together with remarks on the 

 theory of degeneration. Proc. U.S. Nat. Mus., vol. 9, pp. 71-82. 



1887. On the development of osseus fishes, including marine and freshwater 



forms. Rep. U.S. Comm. Fish and Fish., 1885, pp. 489-604, pis. 

 1-30. 

 ScHELSKE, Claire L. 



1957. An ecological study of the fishes of the Fall and Verdigris Rivers in 



Wilson and Montgomery Counties, Kansas, March 1954 to February 



1955. Emporia State Res. Stud., vol. 5, pp. 31-56. 



SCHRENKEISEN, RaY 



1938. Field book of fresh-water fishes of North America. New York: 



G. P. Putnam's Sons, pp. xii + 312, figs. 

 Schwartz, Frank J. 



1956. First record of infestation and death in the ictalurid catfish, Schil- 



beodes miurus, by the parasite Clinostomum marginatum. Copeia, 



1956, p. 250. 



1961. Catfishes. Maryland Conservationist, vol. 38, pp. 21-26, figs. 

 Scott, Donald C. 



1949. A study of a stream population of rock bass, Ambloplites rupestris. 



Invest. Indiana Lakes and Streams, vol. 3, pp. 169-234. 

 1951. Sampling fish populations in the Coosa River, Alabama. Trans. 

 American Fish. Soc, vol. 80, pp. 28-40. 

 Scott, W. B. 



1954. Freshwater fishes of eastern Canada. Toronto, Canada: Univ. 

 Toronto Press, pp. xiv+128, figs. 



1958. A checklist of the freshwater fishes of Canada and Alaska. Roy. 



Ontario Mus., pp. 1-30. 

 1963. A review of the changes in the fish fauna of Ontario. Trans. Roy. 



Canadian Inst., vol. 34, pp. 111-125. 

 Senning, W. C. 



1940. Lakes and ponds above the Lake Ontario lake level. In A biological 



survey of the Lake Ontario watershed. Suppl. Ann. Rep. New 



York St. Cons. Dept., no. 29, pp. 98-116. 



