Februaet 18, 1916] 



SCIENCE 



255 



"The Responses of the Vaso-motor Mechanism 

 to Different Bates of Stimulation, ' ' by Charles M. 

 Gruber. 



"Vaso-motor Summations," by E. G. Martin 

 and P. G. Stiles. 



"Blood Changes Following Hsemorrhage and 

 Infusion," by Theodore Hough and J. A. Wad- 

 dell (by invitation). 



"Experimental and Clinical Studies on Mental 

 Defectives. III. The Relation of Systolic and 

 Diastolic Blood Pressures and Their Povper of 

 Adjustment to Body Position," by A. W. Peters 

 and C. D. Blackburn (by invitation). 



"Prolonged Uniform Intravenous Injections," 

 (lantern), by R. T. Woodyatt. 



"The Deglutition Center in the Medulla Ob- 

 longata," by F. B. Miller. 



"Demonstration of the Agglutination of Bac- 

 teria in Vivo," by Carroll G. Bull (by invitation). 



"A Method of Obtaining Suspensions of Living 

 Somatic Cells of the Higher Animals," by Peyton 

 Rous and F. S. Jones (by invitation). 



"Analogous Antagonistic Effects Exerted by 

 Electrolysis and Anesthetics on Physical Systems 

 and Living Cells," by G. H. A. Clowes. 



"The Action Current of Glands," by W. B. 

 Cannon and McKeen Cattell (by invitation). 



"A New Type of String Galvanometer and Ac- 

 cessory Apparatus, ' ' by Horatio B. Williams. 



' ' Apparatus for the Investigation of Cardio- 

 dynamics, " by Robert Gesell. 



"A Circulation Model," by A. L. Prince (by 

 invitation). 



"An Improved Slide for Blood Counting," by 

 Theodore Hough. 



"A Motor-driven Airblast Interrupter for Arti- 

 ficial Respiration," by W. B. Cannon. 



"A Mine Rescue Breathing Apparatus," by 

 Tandell Henderson. 



"A Method of Studying Respiration in the 

 Rat," by H. G. Barbour and L. L. Maurer (by 

 invitation). 



"Insufflation Through the Humerus in Fowl," 

 by A. L. Meyer (by invitation), and S. J. 

 Meltzer. 



"A Simplified Procedure for the Determination 

 of Carbon Dioxide Tension in the Alveolar Air," 

 by W. McK. Marriott. 



"A Quantitative Pump for Prolonged Intra- 

 venous Injections," by R. T. Woodyatt. 



"Some New Apparatus," by D. E. Jackson. 



"Apparatus for Recording Graphically the 

 Movements of Melanophores, " by Raymond 

 Spaeth (by invitation). 



"Further Studies on the Elective Localization 

 of Streptococci," by Edward C. Rosenow. 



"On Nephelometric Methods; Reagents for the 

 Estimation of Proteins, Nucleic Acids, Purin 

 Bases, Uric Acid, Phosphorus and Ammonia 

 (Graves' Reagent)," by P. A. Kober. 



"The Perfected 'Shadow Pupillometer, ' " by 

 George W. Fitz. 



"A Simple Rheostat for Laboratory Use," by 

 E. G. Martin. 



"A Motor Driven Circuit Breaker," by E. G. 

 Martin. 



"The Mode of Action of Ultra-violet Radiation 

 in Destroying Hormones, Proenzymes, Enzymes 

 and Living Cells," by W. E. Burge. 



"Initial Length, Initial Tension and Tone of 

 Auricular Muscle in R-elation to Myo- and Cardio- 

 dynamics, ' ' by Robert Gesell. 



"Is the Contraction of Smooth Muscle Accom- 

 panied by Heat-production?" (second communi- 

 cation), by C. D. Snyder. 



"The Experiment of Valsalva," by Percy M. 

 Dawson and P. C. Hodges (by invitation). 



' ' Comparative Studies in the Physiology of 

 the Gastric Hunger Contractions in the Amphibia 

 and the Reptilia, " by T. L. Patterson (by invi- 

 tation) . 



"Localization by Faradio Stimulation in the 

 Floor of the Fourth Ventricle," by F. R. Miller. 



"Direct Evidence of Duodenal Regurgitation 

 and its Influence upon the Chemistry and Func- 

 tion of the Normal Human Stomach," by W. H. 

 Spencer (by invitation), G. P. Meyer (by invita- 

 tion), and P. B. Hawk'. 



' ' The Diuretic Action of Tissue Extracts, ' ' by 

 Frank P. Knowlton. 



' ' The Appearance of Sugar in the Digestive 

 Secretions in Phloridzin Glycosuria," by Roy G. 

 Pearce. 



' ' The Rapidity with which Alcohol and Some 

 Sugars are Available as Nutriment, " by H. L. 

 Higgins. 



' ' Some Results of Studies on Electrical Changes 

 in Glands, ' ' by W. B. Cannon and McKeen Cat- 

 tell (by invitation). 



' ' The Action of the Depressor Nerve on the 

 Pupil," by J. Auer. 



' ' Evidence Showing the Metaphore to be a Dis- 

 guised Type of Smooth Muscle," by Raymond 

 Spaeth (by invitation). 



"The Voluntary Innervation of Skeletal Mus- 

 cle," by E. G. Martin and R. W. Lovett (by invi- 

 tation). 



"Comparison of the Chemical Changes in the 



