348 MR. F. DAT ON THE GEOaBA-PHIOAL 



2. O. BTJRMA]!iricA, Bay. Pegu hills. 



3. 0. LATiCEPS, M'Clelland. Khasya hills. 



2 of these species are locally restricted to Assam and 1 to Pegu. 



Genus Callicheous. 



1. C. GAKGETiCFS, Peters. Granges. 



2. C. siNDENSis, Day. Eiver Indus. 



3. C. BTMAcULATirs ', JBlocJi. Eresh waters of Sind, India, 

 Ceylon, Assam, and Burma, to the Malay archipelago and beyond. 



4. C. PABO ^, Hamilton Buchanan, Jumna and Granges rivers, 

 and Burma. 



5. 0. MACEOPHTHALMTJS ^, Blytli. Madras, Assam, and Burma. 



6. O. MALABAEicus, Cicvier 6f Valenciennes. Malahar coast of 

 India. 



7. 0. PABDA^, Hamilton 'Buchanan. Indus and its affluents, 

 Granges, Jumna, Brahmaputra, and also Orissa. 



These 7 species have a peculiar distribution : 1 is found from 

 Sind through India and Ceylon to the Malay archipelago and 

 beyond ; 1 Indus, Granges, Jumna, and Brahmaputra to Burma ; 

 1 Granges and Jumna and to Burma; 1 Madras, Assam, and 

 Burma ; 1 locally to Sind ; 1 Malabar ; 1 Granges. 



Genus "Wallago. 

 1. "W. ATTU^ Bloch. Throughout Sind, India, Ceylon, Assam, 

 and Burma. 



Genus Siltjeus. 



1. S. "Wtnaadensis, Day. "Western Ghauts of India. 



2. S. AEGHANA^ Gunther. Erom Afghanistan along the Hima- 

 layas to Darjeeling. 



^ Includes : — OmpoJc siluroides, Lae^pede ; Silurus checkra, canius, and duda, 

 Ham. Buch. ; S. microcephalus and mysoricus, Cuv. & Val. ; Callichrus imma- 

 culatus, nebulosus, and affinis, Swainson ; Silurus indicus, M'Clelland ; Schilbe 

 pabo, Sykes; I'halacronoiussih(roides,'Bleeker; Callichrous ceylonensis, Gunther. 



2 Includes Callichrous nigrescens. Day. ^ Includes Callichrous notatus, Day. 



* Includes : — Silurus anastomus, Cuv. & Yal. ; S. lamghur, Heckel ; Callichrus 

 vittatus, Swainson ; Cryptopterus latovittatus, Playfair ; Callichrous Egertonii, 

 Day. 



° Includes : — Silurus boalis, Hamilton Buchanan ; S. waUago and asotus, Out. 

 & Val. ; Callichrus macrostomus, Swainson ; Silurus Miilleri, Bleeker ; Wallagoo 

 Russellii, Bleeker. 



* Includes Silurus Bukai, Day. 



