438 



TELEOSTEI 



.-7* 



FIG. 448. 



Balistcs viri descent, Bl. Schn., File fish, from specimens in British Museum. A, lower jaw, 

 inner view ; B, lower jaw, outer view; C, upper .jaw (premaxilla), inner view; D, upper Jaw, 

 outer view, ar, articular ; d, dentary ; e.s, empty socket from which the growing tooth has 

 been removed ; f.t, tooth of first row ; o.t, older worn tooth ; s.t, tooth of second row ; y.t, 

 younger tooth about to replace the older one. 



Fio. 440. 

 - Minna, B. and S. (After Day, Fishes of India.) 



