488 STRUCTURE AND CLASSIFICATION OF BIRDS 



small, and do not form a sheet of muscle covering the end of 

 the trachea. 



S.I 



FIG. 231. C^ECA OF Calodromas elcgans (AFTER 



BEDDAED). 

 S.I, small intestine ; L.I, large intestine ; C, cseca. 



FIG. 232. C^CA OF No- 

 tliura maculosa (AFTER 

 BEDDARD). LETTERS AS 

 IN FIG. 231. 



