210 



SCIENCE. 



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



of K Finite Bodies revolving about a Relatively 

 Large Central Mass.' 



Glenn Moody Hobbs : ' The Relation between 

 P.D. and Sparking Distance for Small Values of 

 the Latter.' 



William Raymond Longley : ' A Class of Periodic 

 Orbits of an Infinitesimal Body subject to the 

 Attraction of N Finite Bodies.' 



Carleton John Lynde : ' The Effect of Pressure 

 on Surface Tension.' 



William McCraeken : ' On the Hydrochlorides 

 of Imido-ether Derivatives.' 



Stephen Walter Ranson : ' Retrograde Degenera- 

 tion in the Spinal Nerves.' 



Hermann Irving Schlesinger : ' Velocity Deter- 

 minations with Imido-ethers.' 



Delonza Tate Wilson : ' Work on Minor 

 Planets.' 



UNIVERSITY OF PENNSYLVANIA. 

 Samuel Goodwin Barton : ' Secular Perturba- 

 tions arising from the Action of Saturn on Mars, 

 an Application of the Method of Louis Arndt.' 



Benjamin Franklin Finkel: 'Determination of 

 all Groups of Order 2 which contain Cyclic Self- 

 conjugate Sub-groups of Order 2 and whose Gen- 

 erating Operations correspond to the Partitions.' 

 Anna Lockhart Flanigen : ' The Electrolytic De- 

 termination of Copper in an Alkaline Cyanide 

 Electrolyte.' 



Benno Humbert Alfred Groth : ' The Sweet 

 Potato, Origin and History, Economic Value, 

 Structure and Classification of Varieties.' 



Joel Henry Hildebrand: 'The Determination of 

 Anions in the Electrolytic Way.' 



Edith Dabele Kast : ' The Mean Right Ascen- 

 sions and Proper Motions of 130 Stars.' 



Louis Krautter, Jr. : ' The Genus Pentstemon.' 

 Julia Langness : ' A New Form of Anode in 

 Electro-analysis and the Rapid Electrolytic De- 

 termination of Certain Platinum Metals.' 



Jesse Francis McClendon : ' On the Development 

 of Parasitic Copepoda.' 



Charles Travis : ' Pyrite from Cornwall, Leb- 

 anon County, Pennsylvania.' 



Luther Ferree Zerr Witmer : ' The Electrolytic 

 Determination of Tin and its Separation from 

 Antimony with a Rotating Anode.' 



CLARK UNIVERSITY. 



Frank Kelton Bailey : ' On the Latent Heat of 

 Recalescence in Iron and Steel.' 



William Frederick Book : ' The Acquisition of 

 Bkill in Tj'pewriting.' 



Alvin Borgquist : ' Crying.' 



Alfred A. Cleveland : ' The Psychology of Chess 

 and of Learning to Play it.' 



Frederick N. Duncan : ' A Comparative Study of 

 Contractile Tissue.' 



Arnold Lucius Gesell: 'Jealousy.' 



George Edmund Myers : ' A Comparative Study 

 of Moral Training.' 



James P. Porter : ' The Habits, Instincts and 

 Mental Powers of Spiders, Genera Argiope and 



James Theron Rood : ' Quantitative Investiga- 

 tions on the Transmission of Sound by the Tele- 

 phone.' 



CORNELL UNIVERSITY. 



Cornelius Betten : ' The Wing Venation of 

 Trichoptera.' 



Elmer Clifford Colpitts: 'On the Twisted 

 Quintic Curves.' 



Samuel Perkins Hayes : ' A Study of the Affect- 

 ive Qualities.' 



Thomas J. Headlee : ' Phylogeny of the Butter- 

 flies as shown by their Wing Venation.' 



Martin Joshua lorns : ' Influence of Acetylene 

 Light on Plant Growth.' 



Helen I sham : ' A Contribution to the Chem- 

 istry of Hydronitric Acid.' 



Charles Herschel Sisam : ' Ruled Surfaces of 

 Order Seven having a Rectilinear Directrix.' 



UNIVERSITY OF MICHIGAN. 



Alfred Daehnowski : ' Beitrag zur Kenntnis der 

 Entwieklungs-Physiologie von Marchantia poly- 

 morpha, L.' 



William D. Henderson: 'The Thermo-electric 

 Behavior of Silver in a Thermo-element of the 

 First Class.' 



Rufus Percival Hibbard : ' Influence of Tension 

 on the Formation of Mechanical Tissue in Plants.' 



Alexander Grant Ruthven : ' Genetic Relation- 

 ships among the Garter Snakes.' 



John Frederick Shepard : ' Organic Changes and 

 Feeling.' 



UNIVERSITY OF CALIFORNIA. 



Sebastian Albrecht : I., ' A Spectrographic Study 

 of the Fourth Class Variable Stars Y Ophiuchi 

 and T. Vulpeculse.' II., ' On the Distortions of 

 Photographic Films on Glass.' 



Nathaniel Lyon Gardner : ' Cytological Studies 

 in Cyanophycese.' 



Charles David Snyder : ' The Influence of Tem- 

 perature upon the Heart Rhythm in the Light of 

 the Law of Chemical Reaction Velocity as in- 

 fluenced by Temperature.' 



