766 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



6264, 6265, 8191, 8192. Manila Market. June 12, 1908. Length, 128-160 mm. 



12104. Manila market. June 11, 1908. Length, 195 mm. 



9263. Manila market. July 10, 1908. Length, 214 mm. 



17607. Manila market. July 29, 1908. Length, 197 mm. 



20245 to 20247. San Roque market, Cavite. June 13, 1908. Length, 158-230 



mm. 

 A 1016. Philippines. Length, 188 mm. 



5008 to 5010. Sandakan Bay, Borneo. March 2, 1908. Length, 187-230 mm. 

 2 example.s. A.N.S.P. Padang, Sumatra. A. C. Harrison and H. L. Hiller. 



Length, 616 mm. 

 2 examples. A.N.S.P. San Fernando, Luzon. Rev. Joseph Clemens. Purchased. 

 1 example. A.N.S.P. Santa Maria, Luzon. Rev. Joseph Clemens. Purchased. 

 1 example. A.N.S.P. Orani, Luzon. Rev. Joseph Clemens. Purchased. 

 5 examples. A.N.S.P. Orion, Luzon. Rev. Joseph Clemens. Purchased. 

 8 examples. A.N.S.P. Philippines. Commercial Museum Philadelphia. 



Subgenus Pseudarius Bleaker 



TACHYSURUS MANILLENSIS (Valenciennes) 



Arius manillensis Vausnciennes, Hist. Nat. Poiss., vol. 15, p. 93, 1840 (type 

 locality: Manila). — Hekre, Philippine Journ. Sci., vol. 31, p. 403, pi. 1, 

 fig. 5 (dentition), 1926 (Laguna de Bay, Pasig River, Santa Cruz, Orani, 

 Cavite); Fishes Herre Philippine Exped. 1931, p. 22, 1937 (Manila; 

 Mayondon). — Roxas and Maetin, Dept. Agr. Comm. Manila Tech. Bull. 

 6, p. 45, 1937 (reference). 



Rita manillensis Gxjnther, Cat. Fishes British Mus., vol. 5, p. 94, 1864 (copied). 



Rita maniUense Eleba, Cat. Fauna Filip., vol. 1, p. 570, 1895 (Luzon, Manila, 

 Navotas). 



Pseudarius pJiilippinus Sauvage, Bull. Soc. Philom., Paris, ser. 7, vol. 4, p. 226, 

 1880 (type locality: Lake Laglaize, Luzon). 



Arius falcarius (not Richardson) Mbtter, Anal. Soc. Espaii. Hist. Nat., Madrid, 

 vol. 14, p. 41, 1885 (Santa Cruz, from Laguna de Bay). 



Depth 4%; head 3i/io to Zy^, width 1%. Snout strongly pro- 

 jects, broad, bhmt, slightly rounded; eye 6% to 6%, 2l^ to 2% in 

 snout, 3 in interorbital, ovate pupil vertical; maxillary barbel reaches 

 hind edge of head or to middle of pectoral in young, mandibular 

 % maxillary, mental less than half as long; upper teeth sharp, vil- 

 liform, widest at ends, width 5% its length, exposed when mouth 

 closes; lower teeth villiform, in much longer band; beginning at 

 front edge of palate and covering most its front surface, thus not far 

 apart, 2 large, parallel, somewhat ovate patches of blunt, rounded, 

 coarsely granular, thickly crowded teeth, broadest near front end, 

 length about II/2 in eye; plates on top of head granulose, with very 

 long median fontanel from opposite hind nostril nearly to occipital 

 process; last subtriangular, with widely expanded base about long 

 as process; basal bone of dorsal spine narrow, short, surface granu- 

 late; humeral plate nearly triangular, smooth or lower edge some- 

 what granular. Gill rakers 6+12, % of eye. 



Dorsal equals or little less than depth, li/o in head, stout spine 

 granulate serrate before and behind; adipose fin base twice in anal 



