198 



PISCES. 



Umhrina (Ciw.). As Scicena, but the spines of 

 the anal are stout and sharp ; the teeth are small 

 and numerous ; and there is a filament on the chin. 



U. cirrosa. Fig. 315 ; ^n.s. 



315 



Family XI. Teiglad^. 



Head and face encased in a bony buckler of 

 plates soldered together, often studded with spines; 

 the bone beneath the eye (suh-orhifal) greatly di- 

 lated, so as to cover the cheek, and jointed to the 

 gill-cover ; fins generally well developed. 



Gasterosteus (Linn.). Stichlehach. Without scales, 

 but covered more or less with broad plates on the 

 sides ; one dorsal, with free spinous rays in front ; 

 ventrals (each consisting of a single spine) behind 

 the pectorals. 



G. trachurus. 

 semiarmatus. 

 leiurus. 

 brachycentrus. 

 pungitius. Fig. 316 ; n. s. 

 spinachia. 



