MAMMALIA. 



195 



FIG. II. 



(THE SAME.) 



1. PROLONGATION of the sympathetic of the right side. 



2. Splanchnic nerve ; its origin extends over the heads of seven ribs ; it expands 



into a ganglion, which is not however joined with the prolongation as on the 

 left side. 



FIG. III. 



THE ASS. 



(EQUUS ASINUS.) 



THE appearance of the thoracic portion of the prolongation of the sympathetic 

 nerve before it has been disturbed. 



c c 



