194 



ctenoid scales. Lateral line continuous. The bones of the 

 jaw have a sharp trenchant dentigerous edge, as in Scarus. 

 The teeth, if at all conspicuous, being continuous with the 

 bone, forming a more or less distinct serrature ; no teeth on 

 the palate. The spinous portion of the dorsal fin is rather 

 more developed than the soft ; the spines strong ; anal, with 

 three spines, similarly to the soft dorsal ; ventrals thoracic, 

 with one spine and five soft rays. 



Australian, Japanese, and Peruvian coasts. 



Genus Hoplegnathus (Eichardson). 

 The spinous dorsal with twelve spines ; the soft dorsal 

 and anal rather elevated ; vertical fins somewhat scaly on the 

 basal portion. 



Hoplegnathus Conwayii (?) (Richardson). 

 D. lA ; A. {<r ; P. 18 ; L. Lat. 96-98. 



Height of body contained about two times and a half in 

 the total length ; eye large. First spine of dorsal small, 

 situate in a vertical line drawn immediately behind the 

 posterior margin of operculum; second, third, and fourth 

 spines gradually increasing relatively ; the fifth, sixth, and 

 seventh nearly equal, being longest ; the spinous dorsal 

 occupies the greater portion of the back ; the soft dorsal, 

 though containing as many rays, is relatively much shorter ; 

 anal developed similarly to the dorsal ; colour of body and 

 fins pinkish, mottled with darker spots ; sides with four 

 distinct transverse bands, the last situate close to the caudal 

 fin. 



Derwent. 



Total length 23^ inches 



Body 2l| „ 



Head 6| „ 



Snout 2^ „ 



Dia. of eye li „ 



Greatest depth 9 „ 



Least depth at peduncle 2^ ,, 



I have doubtedly referred this fine fish to Richardson's (H. 

 Conwayii), as it is possible the spines of dorsal are variable. 



Salmo Fontinalis (Mitch). 



— Gunth. Oaf. VL,|). 152 

 B. 12 ; D. 12 ; A. 10 ; L. lat. 200 ; Caec. pyl. 34. 

 No median series of teeth along the hyoid hone. Head of 

 moderate size ; cleft of moiith wide ; maxillary long, narrow, 



