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. III (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 Ginther, Cat. Brit. Mus. V. 1864, p. 81. 
Macrones planiceps Steindachner, Sitzber. Akad. Wien, LVII. I. 1868, p. 1004. 
Hemibagrus planiceps Jordan & Seale, Proc. U.S. Nat. Mus. XXXIII. 1908, p. 536. 
Brdd s De M73 Asie Es ieee eno: 
Elongate, dorsal profile slightly elevated before dorsal, head 
flattened, snout spatulate, prominent, mouthopening crescentic, 
subterminal. Height more than 6, head 3*/,—4'/,, broader 
than high, its greatest width about equal to its length without 
snout. Eye 5—6, 1°/, in snout, which is equal to about '/, of 
