157 



D.4.8; A. 3.5(6); P. 1.1617; V. 2.9; L.I. 34 35 ;L.tr. T. 



6J 



Upper profile ascending and slightly arched from eye to 

 dorsal. Upper profile of head concave. Height about 2.5, 3.2 3.3 

 in length with caudal. Head 3.2 3.7, 4.4 4.7 in length with 

 caudal. Eye about 3^2, less than concave interorbital space 

 and somewhat less than snout. Skin of head gelatinous, with 

 a multitude of parallel more or less wavy sensory lines. Lips 

 swollen, both evenly curved. No barbels, but folds of the skin 

 above upper lip conspicuous. Origin of dorsal opposite to 13 th 

 scale of lateral line and nearly in the middle of a line, con- 

 necting the end of the snout and the end of the shortest 

 caudal rays, nearer to snout in young specimens, far behind 

 origin of ventrals. Dorsal deeply concave. Total length of 4^ 

 spine somewhat shorter than head, its hindborder strongly 

 denticulated. Anal concave, its third spine rather weak and 

 longer than half head. Ventrals about equal to pectorals, reaching 

 or surpassing anus, their origin separated by 4 or 4 ! / 2 scales 

 from the Qth lateral scale. Pectorals reaching ventrals, about 

 3 / 4 length of head. Caudal deeply incised, the lobes rounded, 

 somewhat longer than head. Least height of caudal peduncle 

 more or less than twice in length - of head ; surrounded by 

 1 6 scales. Scales with radiating and partly parallel lines. Yellow- 

 ish brown, upper parts dark brown, each scale with a dark 

 spot at the base. A large black spot at the end of the lateral 

 line. Vertical fins darkish, the others more or less hyaline. 

 Length over 200 mm. 



N o m. i n d i g. : Bebras (Palembang) ; Ikan bambahan (Indra- 

 giri); Lawak or Lalawak (Malay. Batavia); Genggehe (Situ 

 Kamodjing); Redang, Bunghut punduk (Sundan.). 



Habitat: Sumatra (Solok, brook near Singkarah !, Lake 

 Tador, Sungei Mahe, river Kwantang, Djambi !, Deli !, Palem- 

 bang !, Lahat) ; Java (Batavia !, Bekassi !, Buitenzorg, Sading- 

 wetan, Lake Kamodjing near Tjihampeh!, Pandgallu, Ngawi, 

 Surabaya, Passeruan) ; Borneo (Prabukarta, Sambas, Singkawang, 

 Bengkayang, Seminis, Mandhor, river Kapuas, river Baram, 

 Sarawak, Sandakan); Bunguran Islands; Banka. - - Malacca, 

 Tenasserim, Burma and Siani; 



3. Cyclocheilichthys janthochir (Blkr.) 



Systomus janthochir Bleeker, Nat. Tijdschr. Ned. Indie V. 1853, p. 448. 



