SILURIDiE. 
143 
1. Arms 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. 
u On the palate are two bones, covered with sharp, 
crowded teeth.” 
