czbcli^ 



Fig. +.— Diisection of a youn.? Female Frog. The gullet {gul) and rectum ( rtr^) 

 have been cut through, and the enteric canal removed between these tu'o points. 

 The li\er is removed, with the exception of a small portion ilr) surrounding the 

 postcaval \^\n(pt.cv). The ventricle of the heart (r-J is turned forwards, and 



