2/1 



Bagarius Nieuu'cnhuisii Popta, Notes Leyden Museum, XXIV. Jan. 1904. 



p. 190 and XXVII. 1906. p. 66. 

 Bagarius bagarius Max Weber & de Beaufort, in Maass B Durch Zentral- Sumatra" 



Bd. II. 1912, Fische p. 16. 



B. 12; D. I. 6; A. 1215; P. I. 12; V. 6. 



Height 57. Head 3 ! /3 3 ! / 2 - E 7 e small, situated in the 

 beginning of the posterior half of the head. Maxillary barbels 

 reaching on pectorals or not so far. Dorsal spine nearly equal 

 to snout and eye, about as long as the pectoral spine, the 

 hindborder of which is strongly denticulated. Greyish or 

 yellowish, with large, irregular black bands and markings. All 

 the fins with a black base and a black intermarginal band or 

 black spots. A nearly uniformly coloured variety has been 

 described as B. nieitwenhuisii. Length more than 2000 mm. 



Nomen indig. : Kelaling (Javan.j, Lika (Sundan., Malay.}, 

 keto, keto lawang, keto langit (Mahakam). 



Habitat: Java (Parongkalong, Trogon, Surakarta); Sumatra 

 (rivers Musi and Kwantan !) ; Borneo (rivers Mahakam and 

 Kapuas). Burma, Tonkin, British India. 



In rivers, descending to estuaries. 



7. Fam. ARIIDAE. 



Dorsal fin short, with a pungent spine placed anteriorly 

 between pectorals and ventrals, which have 6 rays. Adipose 

 fin shorter than dorsal, opposite to anal, which has 14 26 

 rays. Pectorals lateral, rather low down, with a pungent 

 spine. Caudal forked. Head more or less depressed or conical, 

 covered by skin or with the headshields conspicuous. Nostrils 

 close together, the posterior with a valve but without a barbel. 

 Generally maxillary, mandibulary and mental barbels, or only 

 the maxillary or only the mandibulary ones are present. Eyes 

 sometimes subcutaneous, in most cases with a free orbital 

 margin. Mouth wide or narrow, transverse or crescentic, at 

 the lower side of the snout, the upper jaw more or less 

 prominent. Teeth on palate villiform, conical, granular or 

 absent; in the jaws villiform, conical or incisor-like, in one or 

 more series, in bands or in patches. Gillmembranes united 

 and connected with isthmus. Branchiostegal rays 5 9. 



