498 



ZOOLOGY. 



Fig. 441. Anatomy of the common striped Snake. Hy, hyoidean apparatus; 

 Tr. trachea; th, thyroid; Oe, oesophagus; T, thymus; Ht, heart; Br, bronchus;; 

 L, lung; A, air-sac; Li, liver; Ov, ovary; ff, gall-bladder; Pa, pancreas; Od, ovi- 

 duct; Cl. cloaca; R, rectum; Od', right oviduct cut off; w, ureter; K, kidney; V,. 

 vena portee; /, intestine. Drawn by C. S. Minot. 



