132 



SCIENCE 



[N. S. Vol. XXXVI. No. 918 



Sornia, Johns Hopkins and Yale, 2 each; 

 in botany, Chicago, 8; Cornell, 4; Colum- 

 bia, 3 ; California, Indiana, Iowa and 

 Michigan, 2 each; in geology, Johns Hop- 

 kins, 5; Yale, 4; Massachusetts Institute, 

 3 ; Bryn Mawr and Columbia, 2 each ; in 

 physiology, California, 4; Columbia, 3; 

 Chicago, 2; in agriculture, Cornell, 6; 

 Illinois, 3; in bacteriology, Brown, 2; in 

 pathology, Chicago, 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 : 



UNIVERSITY OF CHICAGO 



Warder Clyde AUee: "The Effect of Dissolved 

 Gases on the Behavior of Isopods. " 



Harriett May Allyn : "A Contribution to the 

 Analysis of Fertilization in Chcstoptenus." 



Harold DeForest Arnold: "Limitations Im- 

 posed by Slip and Inertia Terms upon Stokes's 

 Law for the Motion of Spheres through Liquids. ' ' 



Melvin Amos Brannon: "The Action of Salton 

 Sea Water on Plant Tissues. ' ' 



Clyde Brooks : ' ' The Effect of Lesions of the 

 Dorsal Nerve on the Reflex Excitability of the 

 Spinal Cord. ' ' 



Edward Wilson Chittenden: "Infinite Develop- 

 ments and the Composition Property (KuB,)^ 

 in General Analysis." 



Grace Lucretia Clapp: "The Life History of 

 Aneura pinguis." 



Harry John Corper : ' ' Correlation of Chemical 

 and Histological Changes in Necrosis and Au- 

 tolysis. ' ' 



Edmund Vincent Cowdry: "The Relations of 

 Mitochondria and other Cytoplasmic Constituents 

 in Spinal Ganglion Cells of the Pigeon. ' ' 



Lloyd Lyne Dynes : ' ' The Highest Common Fac- 

 tor of a System of Polynomials with an Applica- 

 tion to Implicit Functions." 



Sophia Hennion Eckerson : "A Physiological 

 and Chemical Study of After-ripening." 



Charles Albert Fischer: "Some Contributions 

 to the Theory of Functions of Lines. ' ' 



Laura Campbell Gano: "The Physiographic 

 Ecology of Northern Florida. ' ' 



Stella Mary Hague : "A Morphological Study 

 of Diospyros virginiana. ' ' 



Ansel Francis Hemenway: "The Phloem of 

 Dicotyledons. ' ' 



Ernest Edward Irons: "Studies on Immunity." 



Fred Conrad Koch: "The Nature of the Iodine 

 Complex in Thyreo-globulin. ' ' 



Oliver Justin Lee : ' ' On the Conditions for Re- 

 versal of the Calcium Lines." 



Harvey Brace Lemon: "The Influence of Tem- 

 perature upon the Intensities of the Lines of the 

 Hydrogen Spectrum." 



Theodore Lindquist: "Mathematics for Fresh- 

 men Students of Engineering. ' ' 



Arno Benedict Luckhardt : ' ' The Relation of the 

 Spleen to the Fixation of Antigens and the Pro- 

 duction of Immune Bodies. ' ' 



Eugene Franklin McCampbell : ' ' The Toxic and 

 Antigenic Properties of Bacierkim welchii." 



Howard Wilson Moody: "A Determination of 

 the Ratio of the Specific Heats and the Specific 

 Heat at Constant Pressure of Air and Carbon 

 Dioxide." 



John Poote Norton : ' ' Simultaneous Reactions in 

 Amide Formation. ' ' 



Paul David Potter: "The Hydrates of Arsenic 

 Pentoxide. ' ' 



Carl Leo Stahr Rahn: "A Critical and Con- 

 structive Study of the Psychology of Thinking." 



Ralph Eugene Root: "Iterated Limits in Gen- 

 eral Analysis. ' ' 



Lester Whyland Sharp : ' ' Spermatogenesis in 

 Equisetum. ' ' 



Anna Morse Starr : ' ' Comparative Anatomy of 

 Dune Plants. ' ' 



Charles Thompson Sullivan: "Properties of Sur- 

 faces whose Asymptotic Lines belong to Linear 

 Complexes. ' ' 



Arthur Carleton Trowbridge : ' ' The Geology of 

 the Owena Valley California Region with special 

 Reference to the Terrestrial Deposits. ' ' 



Harlan Leo TrmnbuU: "The Molecular Rear- 

 rangement of Acid Chloramides and the Ionization 

 of their Salts. ' ' 



Charles Herman Viol: "Studies in Radioac- 

 tivity. ' ' 



Leroy Samuel Weatherby: "The 'Salt Effects' 

 of the Nitrates and Sulphonates in the Catalysis of 

 Imido Esters. " 



Franklin Lorenzo West : ' ' The Physical and 

 Chemical Properties of Organic Amalgams." 



Russell Morse Wilder : ' ' The Etiology of Typhus 

 Fever. ' ' 



Albert Harris Wilson : ' ' The Canonical Types of 

 Nets of Quadratic Forms in the Galvis Field of 

 Order p". ' ' 



I 



