Species of Reptiles and Fishes. 425 



width of the orbit. Scales on the cheek small, scarcely im- 

 bricate, in four series. Operculum terminating in a membra- 

 naceous flap behind. Posterior canine tooth present. Pr^- 

 operculum not serrated. Reddish olive : a broad pearl-coloured 

 band ascends obliquely from above the axil of the pectoral to- 

 wards the origin of the soft dorsal ; its upper half is surrounded 

 by a broad brown margin, which is spread over the base of the 

 last dorsal spines and anterior rays. Root of the pectoral 

 silvery. No other markings in a preserved state. 

 Misol Island. Length 7| inches. 



Clwpea pinguis. 

 B. 5. D. 17. A. 19. L. lat. 43. L. transv. 13. 



The height of the body is one fifth of the total length 

 (without caudal), the length of the head one fourth. Scales 

 deciduous. Lower jaw but slightly projecting beyond the 

 upper ; maxillary extending to below the front margin of the 

 eye. Teeth none. Snout longer than the eye, which is one 

 fourth of the length of the head. Ventral fin inserted below 

 the anterior third of the dorsal fin, the base of which is midway 

 between the root of the caudal and the end of the snout. Caudal 

 fin deeply forked. There are fourteen abdominal scutes behind 

 the base of the ventrals. Back bluish green, sides silvery, 

 both colours being sharply defined from each other. 



Misol Island. Length 5 inches. 



Opliiclitliys pinguis. 



Teeth pointed, in a single series in the maxillary, mandible, 

 and on the vomer. Head small, pointed, its length being con- 

 tained five times and a half in the distance of the gill-opening 

 from the vent. Eye about half the length of the snout, the 

 cleft of the mouth extending considerably behind its hinder 

 margin. Dorsal and anal fins low, nearly entirely hidden in 

 a groove ; the former commences somewhat in advance of the 

 gill-opening. The length of the pectoral fin is about one third 

 of that of the head. Reddish brown, with eight large broad 

 black spots across the back of the trunk, and fifteen across the 

 back of the tail ; they extend do\vTiwards to the middle of the 

 side. Head with numerous small round blackish spots. No 

 other spots. 



Salomon Islands. Length 16 inches, the tail being 9^ inches 

 long. 



OpMchthys Jilaria. 



Allied to 0. longipinnis and 0. Kirkii^ but distinguished 

 from both by the considerably greater slendemess of the body, 

 Ann. & Mag. N. Hist. Ser. 4. Vol. k. 30 



