220 



Apodal Fishes of Bengal. 



Synbranchus marmorata, 

 Shaw Zool. vol. iv. t. 4. 



Bl. 



/"Muz: 

 < me 

 (Hab. 



Muzzle round, jaws furnished with 

 many ranges of small teeth. 

 Surinam. 



Synbranchus immacualta, Bl. 



( Muzzle narrow and pointed, without 

 I spots on the body ; it is smaller than 

 j the last and of a dusky brown colour. 

 \ Hab. — Surinam. 



Synbranchus cendre, Bon. 



The dorsal commences about the 

 middle of the body, the head small, 

 muzzle pointed, upper jaw longer 

 than the lower, colour grey. 



Hab. — Coast of Guinea. 



Synbranchus lineata. 

 Unibranchapertura Lineata, 

 Lacep. 



{Muzzle pointed, many rows of hook- 

 ed teeth in both jaws ; a dark line 

 extended from the head along the 

 whole length of the back. 

 Hab. — Cayenne. 



Synbranchus l^evis. 

 Unibranchapertura Lcevis, Lacep 



("Eyes small and situated near the end 

 j of the muzzle ; the dorsal commen- 

 l ces about the latter fourth of the 

 ^ entire length, the dorsal, anal 

 I and caudal adipose, and very diffi- 

 cult to distinguish. 

 [_Hab. — Cayenne. 



IV. Gen. — Ophisternon, Nob. 



A single transverse opening under the throat, common 

 to both branchiae. These consist of four pectinated combs 

 on each side. Two bands of teeth on the edges of the upper 

 jaw, 5 short cartilaginous branchial rays. Eyes small and 

 placed on the muzzle, teeth disposed in bands on the sides 

 of the jaws. 



Ophisternon bengalensis, Nob. I 

 xi. 1. 1 



"The head is long, depressed and nar- 

 row, the eyes small and placed 

 near the extremity of the muzzle 

 which is slightly recurved ; 2 broad 

 bands of teeth on either side of 

 the upper jaw, the outer band 

 placed on the maxillaries, forms 

 a crescent in front. 

 Hab. — Bengal. 



