-198 



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

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

 L, lung; A, air-sac; Li. liver; On. ovary; O. gall-bladder; Pa, pancreas; Orf, ovi- 

 duct; Cl, cloaca; R, rectum; Orl', right oviduct cut off; u, ureter; K, kidney; F", 

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



