CONTENTS 



No. 1. OCTOBER, 1919 



A. C. Ivy. Experimental studies on the brain stem. II. Comparative study of the 



relation of the cerebral cortex to vestibular nystagmus. Nine figures 1 



F. T. Rogers. Experimental studies on the brain stem. II. The effects on reflex 



activities of wide variations in body temperature caused by lesions of the thalamus. 



Ten figures 17 



A. T. Rasmtjssen. The mitochondria in nerve cells during hibernation and inanition in 



the woodchuck (Marmota monax) 37 



No. 2. DECEMBER, 1919 



C. U. Ariens Kappers. The logetic character of growth. Two figures 51 



Shigeyuki Komine. Metabolic activity of the nervous system. IV. The content of non- 

 protein nitrogen in the brain of the rats kept in a state of emotional and physical 

 excitement for several hours 69 



Mathilde L. Koch and Oscar Riddle. Further studies on the chemical composition 



of the brain of normal and ataxic pigeons 83 



Teiji Hoshino. A study of brains and spinal cords in a family of ataxic pigeons. 



Three figures Ill 



No. 3. FEBRUARY, 1920 



Fred W. Stewart. The development of the cranial sympathetic ganglia in the rat. 



Thirty-six figures 163 



No. 4. APRIL, 1920 



Henry C. Tracy. The membranous labyrinth and its relation to the precoelomic 



diverticulum of the swimbladder in clupeoids. Twenty figures 219 



O. Larsel. The cerebellum of Amblystoma. Twenty-one figures 259 



Swale Vincent and A. T. Cameron. A note on an inhibitory respiratory reflex in 

 the frog and some other animals " 283 



No. 5. JUNE, 1920 



H. W. Norris and Sally P. Hughes. The cranial, occipital, and anterior spinal nerves 

 of the dogfish, Squalus acanthias. Fifty-three figures 293 



N. E. McIndoo. The olfactory sense of Orthoptera. Ninety-two figures 405 



Edward Horne Craigie. On the relative vascularity of various parts of the central 



nervous system of the albino rat. Five figures and four charts 429 



J. M. D. Olmsted. The nerve as a formative influence in the development of taste-buds. 465 



/ (o i 5" Q, 



