262 



SCIENCE. 



[N. S. Vol. XVIII. No. 452. 



Atherton Seidell: 'The Precipitation of Zinc 

 by Manganese Peroxide, -with Especial Reference 

 to the Volhard Method of Determining Manga- 

 nese.' 



Arthur Whitmore Smith: 'A Determination 

 of the Heat of Fusion of Ice.' 



BROWN UNIVEESITT. 



Caleb Allen Fuller: 'The Distribution of 

 Sewage in the Waters of Narragansett Bay and 

 its Relation to the Oyster Beds.' 



George Freeman Parmenter : ' The Action of 

 Acetic Anhydride on Acids of the Phenylpro- 

 piolic Series.' 



Michael Xavier Sullivan : ' Synthetic Culture 

 Media and the Biochemistry of Bacterial Pig- 

 ments.' 



Ralph Winifred Tower: 'The Comparative 

 Anatomy and Physiology of the Swim-bladder 

 of Fishes.' 



CLAKK TJNIVEESITY. 



Roy T. Wells : ' On the Induction of Currents 

 in Cylindrical Cores.' 



Lonna Dennis Arnett : ' Ideas of the Soul.' 



Fred Kuhlmann : ' Experimental Studies in 

 Mental Deficiency: Three Cases of Imbecility 

 (Mongolian) and Six Cases of Feeble-minded- 

 ness.' 



Edgar James Swift : ' Studies in the Psy- 

 chology and Physiology of Learning.' 



COLUMBIAN tTNIVEBSITT. 



Edwin Allston Hill : ' The Constitution of 

 Oxyacids from the Thermochemical Standpoint.' 



William Mather Lamson : ' On Iron and Steel 

 Domes.' 



Thomas Malcolm Price : ' The Influence of 

 Varying Strength Solutions of Formaldehyde on 

 Some of the Enzymes of Animal Origin.' 



Harriet Richardson : ' Contributions to the 

 Natural History of the Isopoda.' 



XJNTVEESITT OP MICHIGAN. 



Louis Merwin Gelston : ' The Intracellular 

 Toxins of the Diphtheria and Typhoid Bacilli.' 



Mary Frances Leach : ' A Contribution to the 

 Study of the Chemistry of the Bacillus Coli Com- 

 munis.' 



Mary Wheeler: 'The Chemistry of Bacterial 

 Cells, with Special Reference to the Yellow Sar- 

 cine and the Typhoid Bacillus.' 



Charles Willis Johnson : ' On the Action of 

 Oxidizing Agents upon Morphine.' 



UNIVERSITY OF CALIFORNIA. 



Arthur Scott King: 'The Structure of Arc 

 Spectra, and Some Effects of Change in Physical 

 Conditions.' 



Harold King Palmer: 'An Application of the 

 Crossley Reflector of the Lick Observatory to 

 the Study of very Faint Spectra.' 



Joel Stebbins: 'The Spectrum of o Ceti.' 



UNIVERSITY OF KANSAS. 



Hamilton Perkins Cady : Chemistry. 

 Clarence Erwin McClung: Zoology. 



LEHIGH UNI'S'ERSITY. 



Joseph W. Richards: 'A Calorimetric Study 

 of Copper.' 



Herman E. Keifer: 'A Study of Some De- 

 rivative of Meta-Diazo-Benzene-Sulphonic Acid, 

 and the Action of certain Alcohols on Asym- 

 Meta-Diazo-Xylene-Sulphonic Acid.' 



UNIVERSITY OF VIRGINIA. 



James Park McCallie: 'A Problem in Peri- 

 odic Orbits, Second Order Perturbations of Jupi- 

 ter and Saturn, Independent of the Eccentricities 

 and of the Inclinations.' 



J. P. Montgomery : ' On some New Compounds 

 of Urea with Acids and Salts.' 



STATE UNIVERSITY OF IOWA. 



Mabel Clare Williams : ' Normal Illusions in 

 Representative Geometrical Forms.' 



LELAND STANFORD JUNIOR UNIVERSITY. 



Anton Julius Carlson : ' Contributions to the 

 Physiology of the Central Nervous System of the 

 Snake.' 



LAFAYETTE COLLEGE. 



George W. Twitmyer: 'The Diagnosis and 

 Treatment of Backward, Dull and Defective 

 School Children.' 



UNIVERSITY OF MINNESOTA. 



Harold L. Lyon : ' On the Embryogeny of 

 Ginkgo hiloia.' 



UNHTERSITY OF NORTH CAROLINA. 



Royall Oscar Eugene Davis : ' The Atomic 

 Weight of Thorium.' 



PRINCETON UNIVERSITY. 



Archer Everett Young: ' Isothermal Asym- 

 totic Curves.' 



WASHINGTON UNI\'ERSITY. 



James Arthur Harris : ' The Dehiscence of 

 Anthers by Apical Pores.' 



