NERVE 



127 



ceptive, but also tactile. 2. From the labyrinth of the internal 



ear proprioceptive. 3. From the cerebrum — chiefly visual. 



B. Outo-oing. — 1. To the spinal cord to act on the reflex 

 arcs. 2. To the oculo- motor mechanism. 3. To the 

 cerebrum, through the thalamus and red nucleus. These 



CO. 



Fig. 58. — The more important connections of the Cerebellum. Sk, skin ; M, muscle ; 

 F, vermis; Z>.iV., Deiters' nucleus; L, labyrinth; P, pons; T, tectum; 

 R.N., red nucleus ; Th, thalamus ; E, eye ; C.C., cortex cerebri ; E, eye. 



influence the spinal arcs through the rubro- spinal and 

 through the cortico-spinal arcs (p. 79). 



The cerebellum thus constitutes the central part of one of 

 the great nervous arcs (p. 79). 



3. Physiology. 

 1. Removal of Cerebrum. — Something may be learned of 

 the functions of the cerebellum by a study of animals from 



