LIFE HISTORY STUDIES - Continued 



SCHLOEMER, CLARENCE L a The age and rate of growth of the bluegill, 

 Helioperca macrochira (Rafinesque). PhD, Univ. of Wisconsin, 1939- 



SHETTER, DAVID S. Contributions to the natural history of some 

 game fishes of Michigan, particularly the brook trout, Salvelinus f . 

 fontinalis (Mitchill), as determined by tagging experiments . PhD, - 

 Univ. of Michigan, 1937. 



SPOOR, WILLIAM A The age and growth of the sucker, Catostomus 

 commersonii Lacepede, in Muskellunge Lake, Vilas County, Wisconsin. 

 PhD, Univ. of Wisconsin, 1936. 



STONE, UDELL BENNETT a Studies on the biology of the satinfin 

 minnows Nptropis analostanus and Notropis spilopterus . PhD, Cornell, 

 19U0. 



TILLER, RICHARD E. A five-year study of the striped bass 

 fishery of Maryland based on scale analyses of four successive 

 year classes. PhD, Univ. of Maryland, 19hl ° 



UNDERHILL, ADNA H. Studies on the life history of the chain 

 pickerel Esox niger Le Sueur- PhD, Cornell, 19U8. 



VAN CLEVE, RICHARD. Distribution and early life history of the 

 halibut. PhD, Univ. of Vfashington, 1936. 



SHELLFISH 



(See also ECOLOGY , Kerswill) 



CULBRETH, SARAH E» Studies on certain aspects of the normal 

 and anaerobic metabolism of fresh water mussels. PhD, Duke, 1938. 



FRIZZELL, DONALD L» Studies in the molluscan superfamily 

 Veneracea. PhD, Stanford, 1936. 



HELMS, DANIEL To The morphology of two boring mollusks, 

 Martesia striata and Pholadidea. PhD, Washington, Seattle, 1939- 



LIGON, EDGAR W„, JR* The cytological structure of the digestive 

 system of the lamellibranch mollusc, Musculium (Sphaeriidae). PhD, 

 Duke, 1938. 



LOOSANOFF, VICTOR L» The sexual phenomena of the hard-shell 

 clam, Venus mercenaria Linn. PhD, Yale, 1936. 



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