208 



SCIENCE. 



[N. S. Vol. XXIV. No. 607. 



TABLE III. 

 DOCTOBATES CONFERRED IN THE SCIENCES. 



Chemistry 



Physics 



Zoology 



Psychology ... 



Botany 



Mathematics . 



Geology 



Physiology ... 

 Astronomy ... 



Education 



Sociology 



Paleontology.. 

 Bacteriology . 

 Anthropology 

 Agriculture. .. 

 Engineering... 

 Mineralogy... 



Anatomy 



Pathology 



Metallurgy 



Geography 



Meteorology... 



282 



133 



128 



124 



111 



110 



64 



33 



31 



24 



19 



16 



11 



9 



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: 



JOHNS HOPKINS UNIVERSITY. 



Samuel James Allen: 'The Velocity and Ratio 

 e/m for the Primary and Secondary ^ Rays of 

 Radium.' 



Roger Frederic Brunei: 'A Study of the Salts 

 of Tautomeric Compounds. Reactions of Urazole 

 Salts with Alkyl Halides.' 



Robert Ervin Coker : ' Diversity in the Scutes 

 and Bony Plates of Ohelonia.' 



Thomas Sidney Elston : ' The Fluorescent and 

 Absorption Spectra of Anthracene and Phenan- 

 threne Vapors.' 



Howard Edwin Enders: *A Study of the Life 

 History and Habits of Chwtopterus Variopedatus.' 



Charles Walter Gray: 'An Electrical Method 

 for the Simultaneous Determination of Hydrogen, 

 Carbon and Sulphur in Organic Compounds.' 



Charles Clayton Grove: I., ' The Syzygetic Pencil 

 of Cubics and a New Geometrical Development of 

 its Hesse Group Gsie-' H-, ' On the Complete 

 Pappus Hexagon.' 



Ernest Jenkins Hoif man : I., ' Osmotic Pressure 

 ■of Cane-sugar Solutions.' II., ' The Semi- 

 permeable Membrane of Copper Cobalticyanide.' 



B. Smith Hopkins : ' The Osmotic Pressure of 



Glucose Solutions, and the Freezing-point Depres- 

 sions and Densities of Solutions of Glucose and 

 Cane Sugar; also Some Experiments on the 

 Osmotic Pressure of Urea Solutions.' 



Edward Pechin Hyde : ' Talbot's Law as applied 

 to the Rotating Sectored Disk.' 



William Lee Kennon : I., ' Osmotic Pressure of 

 Solutions of Cane Sugar.' II. ' A Study of Zinc 

 Ferrocyanide as a Semi-permeable Membrane for 

 the Measurement of Osmotic Pressure.' 



LeRoy McMaster : ' The Conductivity and 

 Viscosity of Solutions of Certain Salts in Water, 

 Methyl Alcohol, Ethyl Alcohol, Acetone and 

 Binary Mixtures of these Solvents.' 



John Frederick Messick : ' Cubic Curves in 

 Reciprocal Triangular Situation.' 



August Herman Pfund : ' Polarization and 

 Selective Reflection in the Infra-red Spectrum.' 



William Frederick Prouty: 'The Niagara and 

 Clinton Formations of Maryland.' 



Charles Judson Robinson : I., 'A Continuation 

 of the Study of the Action of Amines on Cam- 

 phoroxalic Acid.' II., ' The Combustion of 

 Halogen Compounds in the Presence of Copper 

 Oxide.' III., ' Some Experiments relating to the 

 so-called Infusible Diamide of Parasulphamine- 

 benzoic Acid.' 



Charles August Rouiller : ' The Relative Migra- 

 tion Velocities of the Ions of Silver Nitrate in 

 Water, Methyl Alcohol, Ethyl Alcohol and Acetone, 

 and in Binary Mixtures of these Solvents, to- 

 gether with the Conductivity of such Solutions.' 



William Anderson Syme : ' Some Constituents 

 of the Poison Ivy Plant ( Rhus Toxicodendron ) .' 



HARVARD UNIVEBSITT. 



Henry Bryant Bigelow : ' Studies on the Nuclear 

 Cycle of Gonionemus murbachii Mayer.' 



Leon Jacob Cole : ' An Experimental Study of 

 the Image-forming Powers of Various Types of 

 Eyes.' 



Harvey Nathaniel Davis : I., ' A PQ Plane for 

 Thermodynamic Cyclic Analysis.' II., * The 

 Longitudinal Vibrations of a Rubbed String.' 



James Walter Goldthwait : ' The Abandoned 

 Shore Lines of Eastern Wisconsin.' 



Murray Arnold Hines : ' A Revision of the 

 Atomic Weight of Manganese.' 



Arthur Day Howard : ' The Visual Cells in 

 Vertebrates, chiefly in Necturus Maculosiis.' 



Burritt Samuel Lacy: 'Temperature Coeffi- 

 cients of Concentration Cells and of Electrodes, 

 and the Thomson Effect in Electrolytes.' 



George Richard Lyman : ' Culture Studies of 

 Hymenomycetes,' 



