14 



PROCEEDINGS OF THE NATIONAL, MUSEUM 



VOL. 7a 



Fins : Dorsal rays ii,8, the second simple ray osseus and serrated ; 

 origin of fin posterior to origin of ventrals, over eighth scale of lat- 

 eral line and much nearer to end of snout than to base of caudal; 

 dorsal fin high, nearly 0.75 depth of body and 0.8 length of head, its 

 posterior margin truncate; caudal as long as head, deeply forked, 

 the lobes pointed; anal rays iii,5, the simple rays weak and unossi- 

 fied; pectorals rounded, 1.3 in head, reaching ventrals and somewhat 

 longer than they, which do not extend to anal. 



Color: Upper part of body and top and sides of head greenish, 

 below silvery white; a row of four roundish black spots on side, the 

 first near head, the second under dorsal, the third above anal origin, 

 the fourth on caudal peduncle on both sides of the lateral line; an- 



FlGURB 6. PCNTIUS STIQM.iTOSOMUS 



other small round black spot immediately under the first branched 

 dorsal ray ; a smaller black spot above the anterior part of anal ; fins 

 hyaline. 



Type. — A specimen 5.5 cm. long, collected by Luang Masya Chitr- 

 karn, of the Siamese Department of Fisheries, April 27, 1927, at the 

 waterfall in Pliew Stream, Kao Sabap, near Chantabun, Southeast- 

 ern Siam. Cat. No. 90296, U.S.N.M. 



Remarks. — Similar to P. hinotatus, known from Siam, Straits 

 Settlements, and Indo-Australian Archipelago, but differing there- 

 from in absence of rostral barbels (which in notatus are longer than 

 eye), in more anterior position of the dorsal fin, and in pattern of 

 coloration. 



POROPUNTIUS, new genus 



Moderately elongated and compressed; snout bluntly rounded, its 

 median part covered with rows of large pores, the pore-bearing area 

 defined laterally by a deep groove; mouth subterminal, lips con- 



