466 FISHES. 



lower pectoral -rays branched. Teeth in the jaws in villiform 

 bands ; none on the vomer or the palatine bones. Opercles 

 unarmed ; ten branchiostegals ; the gill-membranes free from the 

 isthmus, and but slightly united in front. Air-bladder none. 



A deep-sea fish, found at a depth of 1260 fathoms in the 

 Antarctic Ocean (south of Heard Island). 



CHjENICHTHYS. — Head very large, with the snout spatulate,and 

 with the cleft of the mouth very wide. . Eye lateral. Scales 

 none ; lateral line sometimes with granulated scutes. Two 

 dorsals, the first with seven spines ; ventrals jugular. Jaws with 

 rasp-like teeth ; palate toothless. 



Chcenichthys rhinoceratus from Kerguelen's Land (see Fig. 

 108, p. 291) ; and Ch. esox from the Straits of Magelhaen. 



Other genera belonging to this group are Aphriiis, Acan- 

 thaphritis, Meginus, CJuenicMhys, and Ghimarrhichthys from 

 the South Pacific and Antarctic zone ; Cottoperca from the 

 vfsst coast of Patagonia ; Percophis from the coast of Southern 

 Brazil ; and Trichodon from the coast of Kamtschatka. 



3. In the Pinguipbdina the body is covered with small scales ; 

 the eye lateral ; the lateral line continuous ; and the inter- 

 maxillary is armed with a larger tooth on its posterior portion, 

 as in many Labroids. 



Two genera, Pinguipes and latilus, from various parts of 

 tropical and sub-tropical seas, belong to this group. 



4. In the Psbudooheomides, the lateral fine is interrupted or 

 not continued to the caudal fin j they have one continuous 

 dorsal only. 



These fishes are inhabitants of coral reefs or coasts : 

 Opisthognathus, Pseudochromis, CicMops, and Pseudoplesiops. 



5. In the Notothbniina the lateral line is interrupted ; and 

 the dorsal fin consists of two separate portions. 



They (with others) represent in the Antarctic zone the 

 Cottoids of the Northern Hemisphere : they have the same 

 habits as their northern analogues. In Notothenia, ■which on 



