256 



COMPAK ATI YE AN ATOM Y. 



A 



B 



-7V 



Tr 



FIG. 208. LARYNGES OF VARIOUS MAMMALS. 



A, larynx of Deer, seen from the left side ; B, longitudinal section through the 

 larynx of the Fox ; C, larynx of the Howling Monkey (Mycctes ursinits), from 

 the left side ; D, larynx of Chimpanzee (Simia troglodytes), from the ventral 

 side. 



Tr, trachea ; Ctr, cartilaginous rings of the trachea ; S, mucous membrane of the 

 trachea and tongue ; Or, ventral, and CV 1 , dorsal plate of the cricoid ; Ct, Ct\ 

 thyroid cartilage ; oh, uh, anterior and posterior cornua of the latter ; Oa, ary- 

 tenoid cartilage ; pm, processus muscularis of the latter ; Ep, epiglottis ; H, 

 body of hyoid ; It, lesser, A 1 , greater cornua of the hyoid ; Lt, crico-thyroid 

 ligament ; AffJi, thyro-hyoid ligament ; M, laryngeal pouch, which shows ail 

 enlargement att ; /, ;?, 3, the three resonance-cavities of Simia troglodytes : uni. 

 suhmucous tissue with muscles ; M.ge, genioglossus muscle ; Z, tongue. 



