silurtd^:. 14 



o 



1. Arius gagorides. 



Hab. Hoogly river. 2 or 3 feet. 



Char. Anal rays 17. Dorsal and pectoral spines 

 granulated in front and serrated in rear. 



Teeth on the palate viliform, in two pairs of con- 

 fluent patches. 



2. Arius arioides. 



Hab. Bengal. 



Char. Anal rays 21. Dorsal and pectoral spines 

 granulated, the former slightly serrated behind. 



Teeth on the palate viliform, in two broad trian- 

 gular patches, joining anteriorly. 



3. Arius sona. 



Hab. Bengal. 



Char. Anal rays 18. Maxillary barbels, and the 

 outer mandibular pair, reach to the end of the pec- 

 toral fins when laid back. Dorsal spine indented 

 on both edges, pectoral serrated. 



4. Arius gagora. 



Hab. Bengal. 3 feet. 



Char. Anal rays 18 or 19. Barbels not so long as 

 the head. Dorsal and pectoral spines indented on 

 both edges. A large faint spot on the adipose fin. 

 " On the palate are two bones, covered with sharp, 

 crowded teeth." 



