I9I3] P. H. D. 539 



oxidations. — George Lester Kite: The relative permeability o£ the 

 surface protoplasm of animal and plant cells. — Shiro Tashiro: 

 Chemical change in nerve fiber during passage of a nerve impulse. 

 — 'Arthur Lawrie Tafum: Studies in experimental cretinism, 



University of Missouri. — Leroy Sheldon Palmer: Study of the 

 natural pigment in the fat of cow milk. 



University of Wisconsin. — William Harold Peterson: Forms 

 of sulfur in plants. — Roy Lee Primm: Some phenomena associated 

 with cellulose fermentation. — Nellie 'Antoinette Wakeman: Plant 

 pigments other than chlorophyl. 



Washington University. — Jacob Richard Schramm: A contri- 

 bution to our knowledge of the problem of free-nitrogen fixation in 

 certain species of grass-green algse, with special reference to pure- 

 culture methods. — Charles Oscar Chambers: The relation of algae 

 to dissolved oxygen and carbon dioxide, with special reference to 

 carbonate. 



Yale University. — Robert Bengis: The synthesis of amino acids 

 related to adrenalin. — Howard Bishop Lewis: The behavior of some 

 hydantoin and thiohydantoin derivatives in the organism, together 

 with a study of certain related sulfur Compounds. — Ben Harry 

 Nicolet: Some derivatives of amino-malonic acid and their biochem- 

 ical interest. — Ruth Wheeler: Nutrition experiments with mice. 



Universities which conferred Ph.D. degrees in the natural and 

 exact Sciences, but at which there were no biochemical candidates, 

 are named below : 



Boston University University of California 



Brown University University of Cincinnati 



Clark University University of Illinois 



George Washington University University of Iowa 



Indiana University University of Michigan 



Massachusetts Institute of Technology University of Minnesota 



New York University University of Nebraska 



Princeton University University of Pennsylvania 



Stanford University University of Pittsburgh 



Tulane University University of Virginia 



Vanderbilt University 



