316 BULLETIX ISS. UXITED STATES NATIONAL MTSEUM 



species, from Lovrer Burma, has the Literal line incomplete (ending 

 anteriorly at the tip of the depressed pectoral), "svhile in .V, sexcauda 

 the lateral line is complete : furthermore the lips are crenulated. "while 

 in N. sexcauda they are entire. There are marked differences also in 

 the shape and position of the transverse bands. 



XOEMACHEILUS OBSCURUS, new species 



Figure 68 



Descriptian. — Body moderately compressed posteriorly, cylindrical 

 anteriorly; depth 5.6 in standard length; caudal peduncle short, its 

 depth equal to its length. 1.7 in head; head rather strongly depressed, 

 4.3 in standard length, its width slightly less than its length, its depth 

 at nape 1.7 in head; snout broad, evenly rounded, its length 2.5 in 

 head : eye small in anterior half of head, directed more upward than 

 laterally, its length nearly 8 in head, 3 in snout, and 2.5 in the flat in- 

 terorbital space: nasal flap short, not reaching halfway to eye; mouth 

 lunate, wide, distance between comers of mouth 2.5 in head ; lips full, 

 fleshy, median part of upper lip projecting so as to cover a chisellike 

 projection of the middle of the upper jaw; barbels rather short, outer 

 rostral barbel slightly the longer and reaching vertical from middle of 

 eye. maxillary btirbel equal to outer rostral, extending well behind eye, 

 its length 2 times diameter of eye ; no gill rakers. 



Figure 68. — Noemacheilus obscurus, new species: Type (A'l.C.Z. No. 35520). Drawn by 



Mrs. Aime M. Awl. 



Squamation: Lateral line complete; scales minute, embedded, de- 

 ficient on under surface of body, most distinct and largest on caudal 

 pedimcle. 



Fins : Origin of dorsal fin midway between tip of snout and base of 

 caudal fin. rays ii, 8. first branched ray 1.7 in head; caudal fin slightly 

 emarginate. somewhat shorter than head; anal rays ii, 5. first branched 

 ray a little more than 0.5 head ; ventral rays i, 6, broad, rounded, barely 

 reaching anal opening. 1.4 in head; pectoral rays i, 9, reaching 1.6 

 distance to ventrals, 1.25 in head. 



