. Bulletin - United States National Museum. Science. 214 BULLETIN 188, UNITED STATES NATIONAL MUSEUM ing far behind the dorsal fin in O. mttatu^s), in the more complicated lips, and in coloration. OSTEOCHILUS HASSELTH (Cuvier and Valenciennes) Figure 37 Rohita hasseltii Ctjvieb and Vai.knciennes, 1842, vol. 16, p. 274 (locality not given). Rohita (Rohita) hasaelti Blekker, 18G5 (347), p. 35 (Slam). Rohita (Rohita) hasseltii Bleekek, 1865 (356), p. 175 (Siam). Osteochilus hasseltii Sauvage, 1883b, p. 152 (Meuam Chao Phya) .^Fowlek, 1934a, p. 115 (Chiengmai, Chautabun) ; 1935a, p. 115 (Bangkok)

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. Bulletin - United States National Museum. Science. 214 BULLETIN 188, UNITED STATES NATIONAL MUSEUM ing far behind the dorsal fin in O. mttatu^s), in the more complicated lips, and in coloration. OSTEOCHILUS HASSELTH (Cuvier and Valenciennes) Figure 37 Rohita hasseltii Ctjvieb and Vai.knciennes, 1842, vol. 16, p. 274 (locality not given). Rohita (Rohita) hasaelti Blekker, 18G5 (347), p. 35 (Slam). Rohita (Rohita) hasseltii Bleekek, 1865 (356), p. 175 (Siam). Osteochilus hasseltii Sauvage, 1883b, p. 152 (Meuam Chao Phya) .^Fowlek, 1934a, p. 115 (Chiengmai, Chautabun) ; 1935a, p. 115 (Bangkok) ; 1939, pp. 41, 45 (Huey Yang and Krabi). Osteochilus hasselti Weber and de Beaufort, 1916, vol. 3, p. 135 (Siam).—Hoba, 1924a, p. 470 (Tale Sap). One of the commonest and most widely distributed osteochilids in the rivers and lakes of the large islands of the East Indies (Java, Bor- neo, and Sumatra), this fish occurs also in Jahore, Malacca, Pahang, and other Malay States, and it is found throughout the length and breadth of Thailand with the exception of the waters of the Mekong drainage and of the Bay of Bengal watershed, from which no speci-. FiGURE 37.—Osteochilus hasseltii (Cuvier and Valenciennes). Drawn by Luang Masya; courtesy of the Thailand Government. mens have as yet been reported. Inasmuch as the writer found the fish very abundant in the Seamreap River, Cambodia, an atiluent of tliB' Tonle Sap, it undoubtedly occurs in the Mekong and will even- tually be reported from the Thialand side of that great boundary river. Definite records for Peninsular Thialand are the Patani River, Bajo Avaterfall, and Bukit in Patani Province; the inner lake of Tale Sap and various streams in Nakon Sritamarat; and the Tapi River near Bandon. In the Central area the fish is known from the Mekling, Menam Chao Phya, and other streams, and Bung Borapet. The fish as been taken in the Meping at Chiengmai in Northern Thialand, . Please note that these images are extracted from scanned p