342 



of the adipose fin and than the distance between both fins. 

 Adipose fin situated above the anal and slightly longer than 

 that fin. Caudal deeply forked, its upper lobe more or less 

 produced. Pectorals about equal to head without snout, their 

 strong, flattened spine, denticulated at its hindborder, is some- 

 what shorter. Ventrals not extending to anal, originating below 

 posterior dorsal rays, as long as postorbital part of head. 

 Villiform teeth in curved bands, the band on the palate as 

 broad as, or broader than that of the maxillary. Blackish, 

 undersurface white. Fins violet, adipose with a light hindbor- 

 der, pectorals and ventrals with a reddish base. Length 350 mm. 

 [Types of species of Miss Popta seen by us]. 



Nomen indig. : Ikan bawon (Malay. Batav.); Singgal, Singah 

 (Sundan.); Tageh (Javan.); Ikan baon (Sarawak); Niken, Siken, 

 Tiken, Tiken bato, Kendija (Central Borneo); Ikan duri, Ikan 

 baung (Sumatra). 



Habitat: Java (Batavia, Bekassi ! , Krawang, Buitenzorg!, 

 Dukok, Tjibilong, Garut !, Surabaya, Gempol, Grati, Malang, 

 Pasuruan); Sumatra (Palembang!, Benkulen, Moara kompeh, 

 Padang, Solok !, lakes Singkarah ! and Manindjau !, Taluk!, 

 Gunung Sahilan!, Kaju tanam!, Banjuasin, Sungi Mahe, Kota 

 Baru, Indragiri, Upper Langkat, Djambi!, Deli!); Banka; Sing- 

 kep!; Singapore; Borneo (rivers Kajan, Mahakam, Kusan, Barito, 

 Kahajan, Kapuas!, Sambas, Mempawah, Sarawak, Baram). 

 Malacca, Siam. 



In fresh and brackish water. 



6. Macrones planiceps (C. V.) 



Bagrus planiceps Cuvier & Valenciennes, Hist. Nat. Poissons, XIV. 1839, p. 421. 

 Bagrus anisurus Cuvier & Valenciennes, Hist. Nat. Poissons, XIV. 1839, p. 422. 

 Bagrus flavus Bleeker, Nat. & Geneesk. Arch. Ned. Ind. Ill (2). 1846, p. 156. 

 Bagrus planiceps Bleeker, Ichth. Arch. Ind. Prodr. I. Siluri, 1858, p. 154. 

 Hemibagrus planiceps Bleeker, Atl. Ichth. II. 1862, p. 56. 

 Macrones planiceps Gunther, Cat. Brit. Mus. V. 1864, p. 81. 

 Macrones planiceps Steindachner, Sitzber. Akad. Wien, LVII. I. 1868, p. 1004. 

 Hemibagrus planiceps Jordan & Scale, Proc. U. S. Nat. Mus. XXXIII. 1908, p. 536. 



B. ii; D. II. 7; A. 14; P. I. 9; V. 6. 



Elongate, dorsal profile slightly elevated before dorsal, head 

 flattened, snout spatulate, prominent, mouthopening crescentic, 

 subterminal. Height more than 6, head 3 3 / 4 4 ! / 4 , broader 

 than high, its greatest width about equal to its length without 

 snout. Eye 5 6, i 3 / 4 in snout, which is equal to about ! / 3 of 



