CRUSTACEA - Continued 



LANG FORD, RAYMOND R. The distribution and utilization of the 

 limnetic Crustacea of Lake Nipissing, Ontario . PhD, Univ. of 

 Toronto, 1936. 



LYLE, CLAY. The crawfishes of Mississippi, with special refer- 

 ence to the biology and control of destructive species. PhD, Iowa 

 State, 1938. 



MACKAY, DONALD C. G. The growth and life history of the Pacific 

 edible crab. PhD, Stanford Univ., 193U- 



ROBERTS, TILDEN W„ Light and certain endogenous factors as 

 regulators of community activity for the crayfish, Cambarus virilis 

 Hagen. 180 p. PhD, Illinois, 19U2. 



TACK, PETER I. The life history and ecology of the crayfish 

 (Cambarus immunis Hagen). PhD, Cornell, 1939- 



VAN DEVENTER, WILLIAM C. Studies on the biology of the crayfish 

 Cambarus propinquus , Girard. PhD, Illinois, 1935= 



LIFE HISTORY STUDIES 



(See also MANAGEMEN T, Cooper; ECOLOGY , Marshall; GAME FISH , Sigler) 



ANDREWS, THEODORE F„ The life history, distribution, growth, 

 and abundance of Leptodora kindtii (Focke) in western Lake Erie. 

 PhD, Ohio, 19U8o 



CALHOUN, ALEXANDER JOHN. The biology of the black-spotted trout 

 ( Salmo clarkii henshawi Gill and Jordan) in two Sierra Lakes. PhD, 

 Stanford Univ., 19U3- 



DEASON, HILARY J. Morphometric and life history studies of the 

 pike-perches, Stizostedion ,, of Lake Erie. PhD, Univ. of Michigan, 1936. 



DELACY, ALLAN CLARK. Contributions to the life histories of 

 two Alaskan chars : Salvelinus malma (Walbaura) and Salve linus alpinus 

 (Linnaeus ). PhD, Univ. of Washington, 191*2. 



FREY, DAVID GROVER. Growth and ecology of the carp, Cy prinus 

 carpio, Linnaeus, in four lakes of the Madison region, Wisconsin. 

 PhD, Univ. of Wisconsin, 19l|0. 



HARRINGTON, ROBERT Iff., JR. A contribution to the biology of 

 bridled shiner, Notropis bifrenatus (Cope). PhD, Cornell, 19U7- 



16 



