AIR-BLADDER 



361 



Fig. 34V. 

 Chatoessus. (After Hyrtl, 

 from Gegenbanr.) Oesophagus, 

 a ; stomach, b ; and intestine, 

 c ; with pyloric appendages, 

 ap and ap'. 



Fig. 349. 



Air-bladder of Otolithus sp. 



(After Giinther.) 



Fig. 34S. 

 Air-bladder of rogonias chromis, L. (After Giinther.) 



