PHYSIOLOGY - Continued 



SANGSTER, WILLIAM. The quantitative effects of ethynyl 

 testosterone upon the development of the gonopodium and sword of 

 Xiphophorous helleri . PhD, Northwestern, 19U3° 



SCRUGGS, WALTER MERRITT. The epithelial components of the 

 teleost pituitary gland and their seasonal changes in the carp 

 (Cyprinus carpio, L») and goldfish ( Carassius auratus , L.)» PhD, 

 Harvard, 19U2« 



TRIMBERGER, GEORGE W a Periods of ovulation and fertilization 

 in Bos tauruSo h3 p« PhD, Nebraska, 19U8o 



WALKER, THEODORE J» Olfactory discrimination of aquatic plants 

 by Hyborhynchus notatus (Raf„)„ PhD, Wisconsin, 19U8» 



WILDING, JAMES L a The oxygen threshold of three species of 

 fisho PhD, Indiana, 1938„ 



YOKOYAMA., HISAKO 0» Studies on the origin, development, and 

 seasonal variations in the blood cells of the perch, Perca flavescens 

 PhD, Wisconsin, 19U8» 



YOUNG, ROGER ARLINER. The direct effects of Roentgen rays on 

 certain marine eggs„ PhD, Pennsylvania, I9UO0 



CRUSTACEA 



BANNER, ALBERT HENRYo The Crustacea of the orders Mysidacea 

 and Euphausiacea of the Northeastern Pacific „ 32? p„ PhD, Washington, 

 Seattle, 19UU« 



BROCKMAN, JOHN A., JR„ Studies on Dichroa febrifuga o A 

 method for estimating chloride . Studies on Cambarus clarkii . PhD, 

 California Techo, I9U80 



BUSCH, KARL HENRY » Embryology of the crayfish, Cambarus rusticus, 

 Girardo PhD, Ohio, 19Ul° 



CARL, GEORGE Co The distribution of Cladocera and free-living 

 Copepoda in British Columbia with special reference to the Centropagidae. 

 PhD, Univ of Toronto, 1937 » 



CORRIVAULT, GEORGES W a Contribution a 1» etude de la biologie du 

 homard des eaux de la province de Quebec <, PhD, Laval Univ» , 19U8 



1U 



