August 21, 1914] 



SCIENCE 



259 



matics, Johns Hopkins, 5; Chicago, 4; 

 Princeton, 3 ; Cornell, Harvard and Illinois, 

 2 each ; in botany, Chicago, 10 ; Cornell, 7 ; 

 Wisconsin, 6; Harvard, 3; Columbia and 

 Illinois, 2 each; in geology, Harvard and 

 Yale, 3 each; Chicago, Columbia and 

 Princeton, 2 each ; in physiology, Columbia, 

 2 ; in agriculture, Cornell, 4 ; Wisconsin, 2 ; 

 in hacterioloy. Brown, 3; in paleontology, 

 California and Chicago, 2 each; in engi- 

 neering, Illinois, 2. 



The names of those on whom the degree 

 was conferred in the natural and exact 

 sciences, with the subjects of their theses, 

 are as follows: 



CORNELL UNIVEKSITT 



Paul JohBSon Anderson: The Morphology and 

 Life History of the Chestnut Blight Fungus. 



Jacob A. Badertseher: The Morphogenesis and 

 Histogenesis of the Thymus of the Pig (Sus 

 scrofa). 



Harris Miller Benedict: Senile Changes in 

 Leaves of Vitis Vutpina L. and certain other 

 Plants. 



Earl "Whitney Benjamin: A Study of the Varia- 

 tion and Inheritance of the Size, Shape and Color 

 of Eggs. 



Charles Clarence Bidwell: A Comparison of Ac- 

 tual and Black Body Temperatures. 



Forest Milo Blodgett: Perithecial Development 

 of Sphwrotlieca humuli. 



Edwin Garrigues Boring: The Sensations of the 

 Alimentary Canal. 



Thomas Roland Briggs: The Electrochemical 

 Production of Colloidal Copper. 



Jean Broadhurst: A Study of the Habitats and 

 the Morphological and Physiological Characters of 

 Streptococci. 



Oliver Ellsworth Buckley: The Hall EfCeet and 

 Allied Phenomena in Silicon. 



Eobert Wilbur Burgess: The Uniform Motion 

 of a Sphere through a Viscous Liquid. 



Wheeler Pedlar Davey: The Factors which De- 

 termine the Quantity of Eontgen Radiation given 

 off by an X-ray Tube. 



Jehiel Davidson: A Comparative Study of the 

 Effect of Cumarin and Vaniliu on Wheat Grown 

 in Soil, Sand and Water Cultures. 



Roland Parker Davis: Foundations for Bridges 

 and Buildings. 



Albert Watson Davison: Electrolytic Deposition 

 of Brass on a Rotating Cathode. 



John Frederic Howard Douglas : The Reluctance 

 of Some Irregular Magnetic Fields. 



Gail J. Pink: The P, T, X Diagrams of the Sys- 

 tems Ammonium Chloride-Ammonia, and Copper 

 Sulphate-Ammonia. 



Howard Brett Frost: The Relation of Tempera- 

 ture to Variation in Matthiola. 



Mabel Ensworth Goudge: On Certain Tactual 

 Illusions. 



Charles Truman Gregory: The Dovmy Mildew 

 Disease of Grapes. 



Edward Sewall Guthrie: The Metallic Flavor in 

 Dairy Products. 



Lexemuel Ray Hesler: Black-rot, Leaf -spot and 

 Canker of Pomaeeous Fruits. 



Robert Andrew Jehle: Brown Rot of Orchard 

 Fruits. 



Alfred Erwin Livingston: The Effect of Castra- 

 tion on the Weight of the Pituitary Body and 

 other Glands of Internal Secretion in the Rabbit. 



Edwin Charles Mayer: The Diffusion of Gases 

 through the Walls of Glass and Quartz Tubes. 



Emmeline Moore: Potamogetons in relation to 

 Pond Culture. 



Jay Arthur Myers: Studies on the Syrinx of 

 Gallus domesticus. 



William Howard Rankin: Field Studies on the 

 Endothia Canker of Chestnut in New York State. 



Fred Hoffmann Rhodes: The Fractional Crystal- 

 lization of the Picrates of the Rare Earths of the 

 Didymium Group. 



Frank Elmore Rice: Studies on the Action of 

 Erepsin. 



Harold Eaton Riegger: Hydronitrie Acid and 

 Hydrazine Trinitride. 



Clarence McKinlay Sherwood: A Study of 

 Stokes' Neutral Red Reaction as Applied to the 

 Sanitary Examination of Water. 



Lucy Wright Smith: Studies of North American 

 Pleooptera (_Pteronaricirue and Perlodini). 



Ruby Green Smith: The Evolution of the Vena- 

 tion in the Anal Area of the Wings of Insects. 



Anna Helen Tappan: Plane Sextic Curves In- 

 variant under Birational Transformations. 

 Harry Boyer Weiser : Flame Reactions. 



UNIVERSITY OF CHICAGO 



Edwina Eunice Abbott: On the Effect of Adap- 

 tation on the Temperature Difference Limen. 



Winfred McKenzie Atwood: A Physiological 

 Study of the Germination of Avena fatua. 



