274 THE ORIGIN OF THE NERVOUS SYSTEM 



ALVAREZ, W. C., and STARKWEATHER, E. 



igiSa. "XL The Metabolic Gradient Underlying Intes- 

 tinal Peristalsis," Amer. Jour. Physiol., XL VI. 



19186. "XIII. The Motor Functions of the Cecum," Amer. 

 Jour. Physiol., XLVI. 



I9i8c. "XVII. The Metabolic Gradient Underlying Colonic 

 Peristalsis," Amer. Jour. Physiol., XLVII. 



1919. "XVIII. Conduction in the Small Intestine," Amer. 

 Jour. Physiol., L. 



ALVAREZ, W. C., and TAYLOR, F. B. 



19170. "The Effect of Temperature on the Rhythm of Ex- 

 cised Segments from Different Parts of the Intes- 

 tine," Amer. Jour. Physiol., XLIV. 



19176. "Changes in Rhythmicity, Irritability and Tone in 

 the Purged Intestine," Jour. Pharm. and Exp. 

 Ther., X. 

 BARKER, L. F. 



1901. The Nervous System and Its Constituent Neurons. 



New York. 

 BAYLISS, W. M. 



1918. Principles of General Physiology. Second edition. 

 London. 



BELLAMY, A. W. 



1919. " Differential Susceptibility as a Basis for Modification 



and Control of Early Development in the Frog," 

 Biol. Bull., XXXVII. 

 BETHE, A. 



1897. "Das Nervensystem von Carcinus maenas, I," Arch, 

 f. mikr. Anat., L. 



BlEDERMANN, W. 



1896. Electro-Physiology. English translation. London. 

 1903. "Elektrophysiologie," Ergebn. d. Physiol., Jahrgang 



II, Abt. II. 

 BOK, S. T. 



1915. "D ie Ent wicklung der Hirnnerven und ihrer Zentralen 



Bahnen. Die stimulogene Fibrillation, " Foil a Neuro- 



Biol, IX. 



