224 



COMPARATIVE ANATOMY. 



FIG. 184. A, TONGUE, HYOID APPARATUS, AND BRONCHI or A GECKO (Phyllo- 

 dactylus europwus) ; B, TONGUE OF Lacerta; C, OF Monitor indicus ; D, OF 

 Emys europcea. 



Z, tongue ; ZK, body of hyoid ; VH and HH, anterior and posterior cornua of hyoid ; 

 K, larynx ; Th, thyroid gland ; T, trachea ; B, bronchi ; Lg, lung ; M, inan- 

 dible ; //, glottis ; ZS, sheath of tongue. 



