CHAP, vii.] SPECIAL MUSCULAR MECHANISMS. 



307 



the vocal cords, and on the other hand the subsidiary parts, 

 namely, the larynx above the glottis, the pharynx, the nasal 



C.S-.-C 



Cri 



-as 



FIG. 181. THE CARTILAGES OP THE LARYNX. 



A. Seen from the back. B. Seen from the left side. C. The right half seen from 

 the inside after removal of the left half. 



Th. Thyroid. Cri. Cricoid. Ary. Arytenoid. c. s. upper cornu, c. i. lower cornu 

 of thyroid, p. m. processus muscula'ris, p. v. processus vocalis of the arytenoid. 

 S. Cartilage of Santorini. The dotted line in C indicates the position of the 

 vocal cords. 



The parts are represented of natural size, as they are also in the succeeding figures 

 unless otherwise indicated. 



