CRUSTACEA - Continued 



HART, Josephine F. L. The larval and adult phases of certain 

 hermit crabs (Anoraura) of British Columbiaj ivith special reference to 

 characters significant in a study of their inter-relationships. PhD, 

 Toronto J 1937 « 



HASLERj Arthur D. The physiology of digestion in plankton 

 Crustacea, PhD^ Wisconsin, 1937 » 



HEATH o James Procter, The nervous system of the kelp crab: 

 Puget,tia producta , PhD, Stanford, 19Ul<> 



HIATT, Robert Worth. The biology of a grapsoid crab, Pachygrap - 

 sus crass ipes Randall. PhD, California, 19U2o 



HOBBS, Horton H. A contribution toward a knowledge of the 

 crayfishes of Florida with special reference to their ecological and 

 geographical distribution, PhD, Florida, 1914.0. 



HOFF, Clarence C. A contribution to the biology and taxonony of 

 the ostracods of Illinois. PhD, Illinois, 19Ul<. 



JONES, Lowell L. Osmotic regulation in several Pacific Coast 

 crabs and its relation to environmental factors. PhD, California, 

 1939» 



LANG FORD 5 Raymond R. The distribution and utilization of the 

 limnetic Crustacea of Lake Nipissing, Ontario. PhD, Toronto, 1936. 



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

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

 State ^ 193 8 « 



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

 edible crab, PhD, Stanford, I93I40 



MOOflE, James E, The Entomostraca of southern Saskatchewan. 

 PhD, Toronto, 1950. 



OLSON, John Bo The pelagic cyclopoid copepods of the coastal 

 waters of Oregon, California, and Lower California. PhD, California, 

 Los Angeles, 195'0. 



ROBERTS, Tilden W. Light and certain endogenuous factors as 

 regulators of coinraiinity activity for the crayfish, Cambarus virilis 

 Hagen. PhD, Illinois, 19U2. 



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

 Cambarus imrnunis (H agen). PhD, Cornell, 1939. 



