269 



H. 



and covered by thin skin. Eyes covered by skin. Nostrils 

 close together, separated by a nasal barbel. Maxillary barbels 

 with a broad basal membrane and proximally osseous. The 

 4 mandibular and mental barbels in a transverse line, close 

 behind the border of the lower jaw. The short dorsal fin with 

 a strong spine. Adipose fin of same length. Anal fin rather 

 short and high. Caudal fin deeply forked. Ventrals horizontal, 

 6-rayed, inserted far behind the origin of the dorsal. Pectorals 

 horizontal with a strong spine. No teeth on palate, those in 

 the jaw small and villiform. Gillopenings separated by a rather 

 narrow isthmus, with which the gillmembranes are confluent. 

 5 7 branchiostegals. 



i. Gagata Schmidt! Volz. 



Callomystax Schmidti Volz, Revue Suisse de Zool. XII. 1904, p. 470. 



D. I. 6; A. 13; P. I. 10; V. 6. 



Height 5'/ 2 6'/ 4 , head 4 4 ! / 3 , depressed, i 1 ^ times broader 

 than high. Length of occipital process equal to its distance 

 from the anterior nostril, about two. times as long as broad. 

 No fonticulus visible. Eye 13, situated on the upperside of 

 the middle of the head. Nasal barbels a little shorter than the 

 interorbital space, maxillary barbels extending to the end of 

 the head or a little farther. Mandibulary barbels half the 

 mentals, about ] J 3 of the length of the maxillary ones. Height 

 of dorsal fin more than height of head. Dorsal spine ! /s lower. 

 Its front and hindborder dentated, with exception of its upper- 

 part. Distance of adipose fin from dorsal 2 ! / 3 times its length. 

 Pectorals longer than ventrals, equal to head, their spine 

 curved, flat, stronger than but as long as the dorsal one, its 

 hindborder with strong teeth. Lower lobe of caudal the longer. 

 A conspicuous lateral line. Uniform grey brown, fins some- 

 what lighter. Rays of dorsal darker in their median part. 

 Length 100 mm. [After Volz, riot seen by us]. 



Habitat: Sumatra (Simbolan hills, 1400 M. high). 



3. Bagarius Bleeker. 

 (BLEEKER, Verb. Bat. Gen. XXV. 1853, Nalez. Ichth. Bengalen, p. 121). 



Head depressed, its upper surface naked and osseous. Mouth 

 crescentic, with the upper jaw strongly projecting. Nostrils 

 close together, separated by a membranaceous fold with a 



