324 



BULLETIN 188, UNITED STATES NATIONAL MUSEUM 



Squamation: Lateral line distinct and complete; body covered 

 with minute scales except region between mouth and ventral fins, 

 which is naked, about 25 rows of scales between midline of back before 

 dorsal fin and lateral line, about 20 rows of scales between lateral line 

 and base of ventral fins. 



Fins : Origin of dorsal fin midway between anterior edge of eye and 

 base of midcaudal rays, directly over origin of ventral fins, rays iii, 8, 

 longest ray 0.6 head; caudal fin as long as head, forked for 0.25 its 

 length, lobes pointed; anal rays ii,5, longest 0.7 head; ventrals 0.8 

 head, rays i,6 ; pectorals slightly larger than ventrals, rays i,10. 



Figure 72. — Noevwcheilus poculi, new species: Type (M.C.Z. No. 35525). Drawn by- 

 Mrs. Aime M. Awl. 



Coloration : Back and sides pale yellowish green, underparts whitish 

 or creamy; side from head to base of caudal fin marked by numerous 

 narrow, irregular blackish or dark brown cross bands, those anterior to 

 and under the dorsal fin about 25 in number and narrower than the 

 posterior ones, which number about nine, extend to or nearly to median 

 line below and meet across the back ; predorsal region with about six 

 dark brown transverse saddles ; top and sides of head obscurely marbled 

 with blackish; on the base of caudal fin, and separated from last 

 peduncular cross band by a bright yellow area, a crescentic or lunate 

 jet-black bar curved forward, its ends not reaching the dorsal and 

 ventral profiles; near upper end of this bar a black saddlelike spot 

 involving the caudal fulcra ; dorsal fin with a row of black basal spots 

 on both rays and membranes, and a black median band involving only 

 the rays; caudal fin with three wavj^ dark cross bands, the posterior 

 edge of the fin narrowly margined with dark ; other fins plain. 



Type and other specimens. — The type, a male 5.8 cm. long, taken in 

 April 1937 by the Harvard Primate Expedition on Doi Angka, North- 

 ern Thailand, is in the Museum of Comparative Zoology. In the same 

 lot are 44 other paratypes, 3 to 7.1 cm. long. (Paratypes, U.S.N.M. 

 Nos. 118440, 118441). .... 



