CONTENTS 



1917 

 No. 1. AUGUST 



Sydney Evans Johnson. Structure and development of the sense organs of the lateral 

 canal system of Selachians (Mustelus canis and Squalus acanthias). Eighty-three 

 figures 1 



John Warren. The development of the paraphysis and pineal region in Mammalia. 



Thirty-five figures 75 



William F. Allen. Distribution of the spinal nerves in Polistotrema and some special 



studies on the development of spinal nerves. Thirty-five figures 137 



No. 2. OCTOBER 



C. JuDSON Herrick. The internal structure of the midbrain and thalamus of Necturus. 



Sixty-eight figures 215 



Charles Brookover. The peripheral distribution of the nervous terminalis in an 

 infant. Four figures 349 



S. Hatai. Metabolic activity of the nervous system. I. Amount of non-protein ni- 

 trogen in the central nervous system of the normal albino rat. One chart 361 



Davidson Black. The motor nuclei of the cerebral nerves in phylogeny. A study of 

 the phenomena of neurobiotaxis. II. Amphibia. Eleven figures 379 



William A. Hilton. The central nervous system of simple Crustacea. Thirteen 

 figures 429 



William H. F. Addison. The cell-changes in the hypophysis of the albino rat, after 

 castration. Five figures 441 



No. 3. DECEMBER 



David H. Dolley. The recovery from depression in the Purkinje cell and the decline 

 to senility of 4epression; with the incidental histogenesis of abnormal pigmentation. 465 



Nao I Sugita. Comparative studies on the growth of the cerebral cortex. I. On the 

 changes in the size and shape of the cerebrum during the postnatal growth of the 

 brain. Albino rat. Two figures and two charts 495 



Naohi Sugita. Comparative studies on the growth of the cerebral cortex. II. On the 

 increases in the thickness of the cerebral cortex during the postnatal growth of the 

 brain. Albino rat. Twelve figures and twelve charts 511 



