32 



STRUCTURE AND CLASSIFICATION OF BIRDS 



very lizard-like appearance. The relative sizes of the 

 liver lobes appear to be of no importance systematically. 



FIG. 16. ALIMEXTAKY VISCEKA OF INDIAN DAUTEU. 



<!./!., gall blail'lev ; //.</., o/., bile durts ; p t pancreas. 



Numerous livers are figured by GADOW in Bronn's ' Thier- 

 reich.' 



