556 FISHES. 



on the south coast of England, and is more common in the 

 Mediterranean ; it is a small species. 



Arnoglossus. ■ — Mouth wide, the length of the maxillary- 

 being more or not much less than one-third of that of the head. 

 Teeth minute, in a single series in both jaws ; vomerine or 

 palatine teeth none. The dorsal fin commences on the snout. 

 Scales of moderate size, deciduous ; lateral line with a strong 

 curve above the pectoral. Eyes on the left side. 



Seven species from European and Indian Seas. The 

 " Scald-fish" (A. laterna) is common in the Mediterranean, and 

 extends to the south coast of England ; it is a small species. 



PSEUDORHOMBUS. — Mouth wide, the length of the maxillary 

 being more than one-third of that of the head. Teeth in both 

 jaws in a single series, of unequal size ; vomerine or palatine teeth 

 none. The dorsal fin commences on the snout Scales small ; 

 lateral line with a strong curve anteriorly. Eyes on the left side. 

 Interorbital space not concave. 



A tropical genus with a few outlying species, represented 

 chiefly in the Indo-Pacific, and also in the Atlantic. Seven- 

 teen species. 



Ehomboidichthys. — Mouth of moderate width or small. 

 Teeth minute, in a single or double series ; vomerine or palatine 

 teeth none. Eyes separated by a concave more or less broad 

 space. The dorsal fin commences on the snout. Scales ciliated ; 

 lateral line with a strong curve anteriorly. Eyes on the left side. 



A tropical genus, but also represented in the Mediterranean 

 and on the coast of Japan. Sixteen species, the majority of 

 which are prettily coloured and ornamented with ocellated 

 spots ; in some species the adult males have some of the fin- 

 rays prolonged into filaments. 



Other genera with nearly symmetrical mouth, in which 

 the dorsal fin commences before the eye, on the snout, are 

 Citharus, Antieitharus, Brachypleura, Samaris, Psettichthys, 

 Citharuhthys, Hemirhonibus, Paralichthys, lAopsetta, Lopho- 

 nectes, Zepidopsetta, and Thysanopsetta. 



