138 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



SYNAGROPS PHILIPPINENSIS (Gunther) 



Acropoma philippinense Gunther, Rep. Voy. Challenger, vol. 1, 1880, 

 p. 51. Philippines, in S2 to 102 fathoms. — Alcock, Journ. Asiat. Soc. Ben- 

 gal, vol. G2, pt. 2, 1894, p. 116. 



Synagrop* philippinense Alcock, Journ. Asiat. Soc. Bengal, vol. 65, pt. 2, 

 1896, p. 311 (Indian coast, 60 to 100 fathoms). 



Synagrops philippinensis Regan, Journ. Bombay Nat. Hist Soc, vol. 16, 

 No. 2, 1905, p. 329 (Sea of Oman, 170 fathoms). 



Parascombrops pellucidus Alcock, Journ. Asiat. Soc. Bengal, vol. 58, pt. 2, 

 1889, p. 296, pi. 22, fig. 1. Sixteen miles east Devi River mouth off 

 Mahanaddi Delta, in 68 fathoms and N. Lat. 20° 18', E. Long. 90° 50' in 

 65 fathoms (Bengal Bay). 



Synagrops natalensis Gilchrist, Fisher. Marine Biol. Surv., Rep. No. 2, 

 1921 (1922), p. 69. Off South Africa in 233 fathoms. 



Depth 3% to 4; head 2% to 2%, width 2% to 2%. Snout 4 to 

 4}/2 in head from snout tip; eye 3J4 to 4, longer than snout in young 

 to subequal with age, always greater than interorbital; maxillary 

 reaches % to Y2 m eve > expansion 2 in eye, length 2^ to 2% in head; 

 teeth minute, in villiform bands in jaws, on vomer and palatines 

 pair of rather long upper front canines, greatly smaller closer front 

 lower pair and 3 large lateral canines in each mandibular ramus; 

 interorbital 4J/J2 to b%, depressed; preopercle ridge with several 

 denticles at angle, lower edge denticulate and hind edge entire; pre- 

 orbital entire. Gill rakers 2 + 10, with 3 to 5 more very obsolete 

 tubercles above and below; lanceolate, subequal with gill filaments 

 and ]4, of eye. 



Scales (pockets) 25 or 26 in lateral line to caudal base and 2 more 

 on latter; 2 above, 7 below, 5 or 6 predorsal, 2 or 3 ? rows on cheek. 

 Tubes large, each well exposed, simple, without basal scale; soft 

 dorsal, anal and caudal all more or less finely scaled. Scales cycloid, 

 very caducous; with 8 basal radiating striae; circuli fine. 



D. IX— I, 8, 1 or 9, 1, third spine 2}/$ to 2% in total head length, 

 first branched ray 2% to 3; A. II, 6, 1 or 7, 1, second spine 4% to 5%, 

 first branched ray 2% to 3; caudal \% to l^,well forked, lobes 

 sharply pointed; least depth of caudal peduncle 3% to 43^; pectoral 

 IJ4 to 23^; ventral 1% to 2, front edge of spine with antrorse serrae 

 but all other fin spines smooth. 



Brown, with more or less dusky above, sides and below silvery 

 white sprinkled with dusky gray, also with mauve lavender tints. 

 Iris dull yellowish brown to neutral gray. Fins brownish, dorsals 

 and caudal little deeper and spinous dorsal blackish terminally. 



Arabia, Natal, India, Philippines. 



(D. 5117). Sombrero Island, S. 47° E. 10 miles. January 21, 1908. 6 examples. 

 Length 58 to 89 mm. 



(D. 5121). Malabrigo Light, N. 14° W. 9 miles, east coast of Mindoro. Febru- 

 ary 2, 1908. Length 79 mm. 



(D. 5273). Corregidor Light, N. 27° E. 27.25 miles, southern Luzon. July 14, 

 1908. 12 examples. Length 68 to 80 mm. 



