174 



CHORDATE ANATOMY 



K MECKEL'S i 

 CARTILAGE ) 



HAND III (HYOID) 



IVANDV C THYROID 



CARTILAGE )__ 



VIC? CRICOID CARTILAGE )-^ 



VIK ?TRACHEAir 



CARTILAGES ) 



Fig. 163. — A. DiuKrani of the visceral skeleton of the cat. B. Visceral skeleton of 

 man. The homologies of the 6th and 7th skeletal arches arc uncertain. 



