ART. 7 



NEW SIAMESE FISHES SMITH 



17 



deeply forked, lobes pointed ; anal rays iii,10, longest less than those 

 of dorsal, and origin under last dorsal ray and under nineteenth 

 scale of lateral line, anal base equal to head less snout; ventrals 

 short, inserted half way between pectorals and anal; pectorals not 

 reaching ventrals, 1.2 in head. 



Color: Back pale green, sides and belly silvery; a brownish spot 

 over eye; two narrow black vertical stripes on side, one above pec- 

 toral, one below dorsal ; fins plain. 



Type. — A specimen 6.0 cm. long collected in November, 1926, in 

 the Mun River at Tachang, District of Korat, Eastern Siam, by Phra 

 Anuwati, district forest officer. Cat. No. 90298, U.S.N.M. 



Remarks. — Although only a single specimen of this little fish is 

 at hand, it is said by the collector to be common, going in large 

 schools. This specites is principally characterized by the joint fea- 



FiGURE 7. — Barilius koratensis 



tures of absence of barbels, comparatively large scales, insertion of 

 dorsal fin almost entirely in advance of anal, and greatly reduced 

 number of vertical stripes on the sides. 



BARILIUS PULCHELLUS, new species 



Description. — Moderately elongate, strongly compressed; ventral 

 profile rather more curved than dorsal ; depth 3.4 in standard length ; 

 caudal peduncle rather slender, its least depth 0.5 length; head 4 

 in length: eye 3.3 in head, 1 in snout, 1 in flat interorbital space; 

 circumorbital bones large, the third as wide as eye; mouth very 

 oblique, maxillary extending to a point under anterior part of orbit, 

 lower jaw slightly projecting; 3 rows of large, deep pores covering 

 the entire length of the lower jaw, similar pores on snout and under 

 anterior part of eye ; a pair of rostral barbels as long as eye, and a 

 pair of minute maxillary barbels; lateral line rather strongly de- 

 curved, running in lower part of caudal peduncle, 38 scales in lateral 

 32895—31 2 



