814 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Depth 34^ to 414; head 31/3 to ^%, width 21/8 to 214. Snout 3 to 

 3I/4 in head; eye 2i/^ to 314, greater than snout in young to 1^4 in 

 snout with age, greater than interorbital in young to 11/3 in inter- 

 orbital with age; maxillary reaches % or to eye, length 2% to 3 in 

 head; lower jaw included in upper; interorbital 2% to 3, broadly 

 convex; infraorbital covers cheek and postorbital % of space to 

 preopercle ridge. Gill rakers 2 + 10, lanceolate, i/^ of gill filaments, 

 which % of eye. Pharyngeal teeth 2, 3, 5-5, 3, 2, hooked, with 

 slightly grinding surfaces. 



Scales 26 in lateral line to caudal base and 2 more on latter; 5 

 above, 2 below, 11 or 12 predorsal, 14 around caudal peduncle. Scales 

 with 13 to 15 radiating apical striae and 9 or 10 basally ; circuli fine, 

 concentric, imperfect apically. 



D. II, 7, I, first branched ray IV5 to 11^4 in head; A. 11, 5, i, first 

 branched ray 1% to 1% ; least depth of caudal peduncle 2 to 214 1 

 pectoral 11/5 to 1% ; ventral 1% to 1% ; caudal 2% to 3l^ in rest of 

 body, well forked, slender lobes sharply pointed. 



Back and upper surfaces rather warm brown, under regions paler. 

 Each scale on back with darker margin than ground color. Sides 

 with slightly silvered reflections, also brilliant silvery white on side 

 of head. Iris silvery white. An underlaid dark gray vertebral nar- 

 row band, slightly widening posteriorly or on caudal peduncle. Fins 

 all pale, hind caudal edge narrowly dusky. 



Philippines. 



20 examples. Isabela River, Basilan Island. September 11, 1909. Length, 

 7J-102 mm. 



5826. Iwahig River and tributaries, Puerta Princesa, Palawan. April 4, 

 1909. 59 examples. Length, 46-106 mm. 



68 examples. Malatgao and Canino River, Puerta Princesa, Palawan. April 

 4, 1909. Length, 50^116 mm. Hind caudal edge variously dusky to black- 

 ish. An underlaid dull steel blue lateral band though general coloration 

 quite dusky or swarthy. 



46 examples. Malbato River, Port Uson, Busuanga Island. December 17, 1908. 

 Length, 41-110 mm. 



54 examples. Malinao River, Mantaquin Bay, Palawan. April 2, 1909. Length, 

 54-112 mm. All show median dark lateral band from preorbital to middle 

 of caudal base, evidently due to preservation. 



2 examples. Nakoda Bay, Palawan. December 31, 1908. Length, 85-87 mm. 



175 examples. Pangauron River, Port Caltom, Busuanga Island. December 

 16, 1908. Length 37-133 mm. 



13 examples. River at Nakoda Bay. December 31, 1908. Length, 56-96 mm. 



9234, 9236, 9240. Zamboanga River, Zamboanga. October 9, 1909. 27 ex- 

 amples. Length, 51-84 mm. 



RASBORA ARGYROTAENIA (Bleeker) 



Leuciscus argyrotacnia Bleeker, Verb. Batav. Genootsch. (Mid. Oost Java), 

 vol. 23, p. 21, 1850 (type locality: Banjimas, Gambong, Purworedjo, Sura- 

 baya, Java). 



