cclxvii 



100. Gallic /irons Egertonii, Day. Pul-wu-ah and Pallu, Panj. : 

 Pah-ba-noon, Sind. D. 4, A. 52-54. Four barbels, the maxillary 

 extend slightly beyond the base of the pectoral fin. Anal not con- 

 fluent with the caudal ; pectoral spine denticulated internally. Nu- 

 merous brownish blotches cover the body, and a large black one exists 

 over the posterior half of the pectoral fin. Panjab and Sind. 



101. Callichrous anastomus, Cuv. and Val. D. 4, A. 52-54. Four 

 barbels, the maxillary reach the anal fin. Anal not confluent with the 

 caudal ; pectoral spine serrated internally. A round black spot behind 

 the gill-opening-. Hooghly. 



Gen us — Walla g 0, Bleeker. 



Branchiostegals from fifteen to twenty-one. Body elongated and 

 compressed, the dorsal profile straight. Eyes above the level of the angle 

 of the mouth. Read covered with shin. Cleft of mouth deep. Snout 

 rather produced : lower jaw slightly the longer. Barbels four, one 

 maxillary and one mandibular pair. Teeth numerous and cardiform in 

 both jaws, and in an oblique patch on either side of the vomer : none on 

 the palatines. A short, spineless dorsal, situated above, or slightly before, 

 the ventrals : no adipose fin : anal long, terminating near the caudal, 

 which last consists of two ronnded lobes : ventrals with from eight to 

 eleven rays. Air-vessel heart-shaped, not enclosed in bone. 



102. Wallago altu, Bl. Bo-al-le and Mul-lee, Panj. : Po-i-kee and 

 Mul-lee, Sind : Vah-lah and Wah-lah, Tam. : Va-la-ga, Tel. : Bo-al-lee, 

 Ooriah : Nga-bat, Burm. D. 5, A. 86-93. Found throughout the Indian 

 Empire, attaining several feet in length ; it is esteemed as good eatin^, 

 but is very voracious, and not a cleanly feeder. Sometimes this fish 

 is termed a fresh-water shark by Europeans. 



Genus — Oltra, McClelland. 



Branchiosteus, Gill. 



Dorsal projile nearly horizontal. Body low and elongate. Head 

 depressed, superiorly covered with soft skin. Gill-openings zvide. Eyes 

 small. Mouth terminal and transverse : jaivs of about equal length or 

 the lower the longer. Nostrils remote from one another. Eight barbels 

 one to posterior nostril. Villiform teeth in the jaws and on the palate. 

 First dorsal sp'meless, and having six or eight rays : adipose fin long 

 and low : anal of moderate extent (15 to 23 rays). Ventrals inserted 

 below the dorsal and having six rays. Caudal rounded or lanceolate. 

 Skin smooth. Air-vessel not enclosed in bone. 



103. Olyra longicatidata, McClelland. D. 7/0, A. 23. Jaws of 

 equal length. Caudal lanceolate. Khasya Hills. This, and the followino- 

 of the genus, are all small fish. 



104-. Olyra Burmanica, Day. D. 8/0, A. 16. Jaws of ecp;al 

 length. Caudal lanceolate. Pegu Hills. 



105. Olyra laticeps, McClelland. D. 6/0, A. 15. Lower jaw the 

 longer. Caudal rounded. Khasya Hills. 



Genus — Silurus. Artedi. 

 Dorsal profile nearly horizontal ; neck not elevated. Head covered 

 with skin ; eyes situated above the level of the angle of the month. Gape 



