CONTENTS. 



A. F. Chace and M. S. Fine: The influence of sodium salicylate upon the uric acid 



concentration of the blood. 58 (990). 

 Sutherland Simpson and A. T. Rasmussen: The effect of thyo-parathyroidectomy. 



on blood coagulation time in the dog. 59 (991). 

 Isaac Levin: The relative efficiency of the biological action of the Roentgen rays 



emitted by the Coolidge and the old type of tubes. 60 (992). 

 C. C. Lieb and J. E. McWhorter: The innervation of the gall-bladder. 61 (993). 

 W. Howard Barber and John W. Draper: Notes on surgical pathology in the dog. 



(1) Diaphragmatic hernia into the pericardial cavity as cause of sudden death. 



(2) Bilateral nephrolithiasis and right ureteral calculus. 62 (994). 



Peyton Rous and J. R. Turner: The resistance to mechanical injury of the erythro- 

 cytes of different species. 63 (995). 



Peyton Rous and J. R. Turner: The protection of fragile erythrocytes against 

 mechanical injury- 64 (996). 



A. J. Goldfarb: Experimentally fused embryos with special reference to giant 

 larvae formation, changes of symmetry, and changes of synchrony. 65 (997). 



Olaf Bergeim: The influence of certain agents on the activity of phospho-nuclease. 

 66 (998). 



J. Bronfenbrenner and M. J. Schlesinger: On the action of anesthesia in ana- 

 phylaxis. 67 (999). 



C.-E. A. Winslow: The experimental plant of the New York State Commission on 



Ventilation. 68 (1,000). 

 Frederic S. Lee: The experimental methods of the New York State Commission 



on Ventilation. 69 (1,001). 

 Frederick P. Gay and H. T. Chickering: Concentration of the protective bodies 



in antipneumococcus serum by means of specific precipitation. 70 (1,002). 



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