88 TEi/EOSTEI. PBTSOSTOMI. 



in the length of the snout. Head very slightly broader thnn 

 the body ; snout rather broad ; lower jaw scarcely longer than the 

 upper. Extent of cleft of mouth equal to rather above one third 

 of the length of the head, and extending to at least one diameter of 

 the orbit behind the eye in the adult, to below it in the imma- 

 ture. Lips thick. Teeth bands of nearly equal width, the 

 vomerine reaching nearly as far backwards as those on the maxilla. 

 fins dorsal commences above the vent or slightly before or behind 

 it. Colour of a dark olive above, becoming yellowish beneath. 



Hal. Coasts of India to the Andamans and the Malay Archi- 

 pelago. 



4. Genus CONGROMUEJENA, Kaup. 



Syn. Gnathophis, Kaup ; Ophisoma and Ariosoma, Swainson. 



Gill-openings wide. Eyes large. Cleft of mouth not extending 

 behind the middle of the eye. Bones in fore part of head with 

 large mucous canals. Posterior nostril patent and opposite the 

 middle of the front edge of the eye; the anterior nostril tubular. 

 Teeth small and pointed, forming bands, those in the jaws not con- 

 stituting a cutting-edge ; vomerine band elongated and narrow. 

 Dorsal fin commencing nearly opposite the gill-opening; the 

 pectoral and also the vertical fins (which are continuous round the 

 tail) well developed. Scaleless. 



Geographical Distribution. Tropical and subtropical seas. 



97. (1.) Congronmraena anago. (Fig. 36.) 



Conger anago, Temm. Sf Kcltley. Fauna Japan., Places, p. 259, pi. 11 3, 



fig. 1. 

 Congromursena anago, Hay, Fish. India, p. CCO, pi. clxix, fig. 2 (see 



synon.). 



B. viii. P. 14. D. 170-196. A. 122-145. C. 10. 



Length of head 2 to 2| in the distance between the end of the 

 snout and the vent; length of trunk about one third less than that 

 of the tail. Cleft of mouth 3 to 3^ in the length of the head, 



Fig. 36. Congromurana anago and upper teeth. 



terminating below the middle of the eye. Eyes large, 1 to 1 j 

 diameters in the length of the snout, and two thirds ot a diameter 



