674 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Scutengraulis hamiltoni Jordan and Seale, Bull. Mus. Comp. Zool., vol. 67, No. 



11, p. 371, 1926 (Calcutta; Penang; Colombo). — Herre and Myebs, Raffles 

 Mus. Bull., No. 13', p. 13, 1937 (Singapore). 



Scutengraulis hamiltonii McCulloch, Australian Mus. Mem., vol. 5, p. 43, 1929 

 (reference). — Roxas, Philippine Journ. Sci., vol. 55, p. 261, pi. 1, fig. 10 



(scale), 1934 (Luzon; Leyte). — Roxas and Martin, Dept. Agr. Comm. Manila 



Tecli. Bull. 6, p. 25, 1937 (reference). 

 Thryssa suh-spinosa Swainson, Nat. Hist. Animals, vol. 2, p. 293, 1839 (on 



Poorawah Russell, Fishes of Coromandel, vol. 2, p. 72, pi. 189, 1803, 



t5'pe locality: Vizagapatam). — Jerdon, Madras Journ. Lit. Sci., vol. 17, p. 45, 



1851. 

 Engraulis grayi Bleeker, Nat. Tijds. Nederland. Indie, vol. 2, p. (472) 492, 1851 



(type locality: Rio; Batavia) ; Versl. Meded. Akad. "Wet. Amsterdam, vol. 



12, p. 64, 1861 (Pinang).— Knek, Reise Novara, Fische, p. 333, 1865 

 (Java). — Weber and Beaufort, Fishes Indo-Australian Archipelago, vol. 2, 

 p. 37, fig. 17, 1913 (Bagan Api Api, Sumatra). — Hardenberg, Treubia, vol. 



13, livr. 1, p. 106, 1931 (Bagan Si Api Api). — Chevey, Inst. Oc6anogr. Indo- 

 chine, 19" note, p. 9, 1932 (Cochinchina). — Suvatti, Index Fish. Siam, 

 p. 15, 1937 (Gulf of Siam; Canthaburi Estuary; Tapi R. belovp Bandon). 



Thryssa poorawah (not Buchanan-Hamilton) Je21don, Madras Journ. Lit. Sci., 



p. 145, vol. 17, 1851. 

 Engraulis poorawah Bleejkeb, Atlas Ichth. Ind. N^erland., vol. 6, p. 132, 1866-72 



(Java, Sumatra, Singapore, Bintang, Banka, Borneo, Celebes, Batjan, 



Ceram). 

 Thrissocles mystax (not Schneider) Fowlee, Copeia, No. 58, p. 62, 1918 



(Philippines). 



Depth 314 to 414 ; head 334 to 41/2, width 21/5 to 23^. Snout 41/8 

 to 5l^ in head; eye 3I/2 to 4%, gi'eater than snout, greater than inter- 

 orbital in young to V/^ in interorbital with age, entirely covered by 

 adipose lids; maxillary reaches little beyond gill openings or nearly 

 to pectoral origin, sometimes slightly beyond pectoral origin, ex- 

 pansion 1^2 to 3 in eye, length equals head; jaws nearly even or snout 

 not projecting; teeth small, uniserial in jaws, smaller and in narrow 

 band on each palatine, none on vomer; interorbital 3% to 4% in 

 head, convexly elevated, with slight median ridge. Gill rakers 9 to 



11 + 12 to 16 lanceolate, 1 to ll^ in eye; gill filaments % of gill 

 rakers. 



Scales 43 to 45 in median lateral series to caudal base, deciduous; 



12 or 13 transversely, 18 to 22 predorsal, Opercles, cheeks, occipital 

 and scapulary regions venulose, area at suprascapula especially 

 broad. Abdominal serrae 16 to 18 + 10 or 11. Scales with 4 to 6 

 transverse radiating striae and with age 4 to 6 parallel close vertical 

 apical striae; circuli minute, vertical. 



D. in, 11, I, third simple ray 1% to 1% in head; A. iii, 35, i to iii, 

 39, 1, third simple ray 1% to 1% ; least depth of caudal peduncle 2% 

 to 24^; pectoral li/jo to li/4; ventral 2% to 31/^; caudal 3% to 4 in 

 rest of body, well forked, lobes sharply pointed. 



