1 72 Apodal Fishes of Bengal. 



them by its Jitter rays, which are all articulated to two little 

 bony pedicles. The tail is compressed. 



Obs. — The species of this Family are each furnished with 

 an elongated natatory bladder, and teeth on the vomer, as 

 well as palatines. 



1. Gen. Anguilla, Cuv. 



Jaws depressed. Dorsal commencing at a considerable 

 distance behind the pectorals, teeth conical, short, and dis- 

 posed in broad bands ; anterior nasal apertures tubular. 



The Bengal species of this genus, are distinguished by small naked 

 scales, disposed in a tessellated form, even on the fins. 



2. Gen. Conger, Cuv. 



Dorsal commencing at, or a little behind the pectorals. 

 Head compressed, rostrum conical, soft and fleshy, present- 

 ing short tubular nasal apertures ; teeth short and conical, 

 disposed in broad bands. 



3. Gen. Murcenesox J. M. 



Dorsal commencing before the pectorals ; jaws prolonged, 

 narrow, and dilated at the apex. The upper-jaw longer than 

 the lower. A row of long, prominent, distant teeth on the 

 vomer. The palatine teeth disposed in short, oblique, single 

 lines ; rostrum smooth and hard ; anterior nasal aperture con- 

 sists of a fissure placed over the middle of the upper-jaw on 

 either side. 



II. — Family, Ophisurid^e, J. M. 



With small pectorals, and no caudal fin ; the dorsal and 

 anal terminating before they reach the end of the tail, which 

 is thick and naked. 



The anus is situated before the middle of the body ; the 

 tail is consequently much elongated. 



