FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 145 



Back and above brown, below inclining to whitish, with silvery- 

 white on under surface of head and abdomen, some showing lilac 

 tints. Iris silvery white. Pockets of scales on back drab brown. 

 Transverse deeper brown band across caudal peduncle at caudal base. 

 Dorsals and caudal dusted with brownish, other fins whitish. 



Only known from the type. 



(D. 5442.) One example. Lingayen Gulf, east of Point Guecet, west coast of 

 Luzon. May 11, 1909. Length 101 mm. 



Genus ACROPOMA Schlegel 



Acropoma Schlegel, Fauna Japonica, Poiss., pts. 2-4, 1843, p. 31. Atypic. 

 Type Acropoma japonicum Gunther, affixed by Gunther, Cat. Fish. Brit. 

 Mus., vol. 1, 1S59, p. 250. 



Body oblong, compressed. Mouth large, lower jaw protruding. 

 Jaws with small canines and palatines toothed. Opercle extends in 

 long point. Preopercle entire. Gill rakers lanceolate, 14 to 16 on 

 lower branch of first arch. Pseudobranchiae large. Branchiostegals 

 7. Scales moderate, weakly ctenoid, thin, deciduous. Vent anterior, 

 nearer ventral base than anal origin. Dorsal with 7 to 9 spines in 

 spinous fin, and soft fin with spine and 10 rays. Anal with 3 spines 

 and 7 or 8 rays. Caudal emarginate or forked. 



Indian Ocean, East Indies, and Japan. Apparently a single species. 



ACROPOMA JAPONICUM Giinther 



Acropoma japonicum Gunther, Cat. Fish. Brit. Mus., vol. 1, 1859, p. 250. 

 Nagasaki (on Schlegel) ; Rep. Voy. Challenger, vol. 1, 1880, p. 38 (Arafura 

 Sea). — Jordan and Snyder, Proc. U. S. Nat. Mus., vol. 23, 1901, p. 912, 

 fig. 10 (Wakanoura and Misaki). — Jordan and Hubbs, Mem. Carnegie 

 Mus., vol. 10, No. 2, 1925, p. 231 (Wakanoura). — Fowler, Journ. Bombay 

 Nat. Hist. Soc, 1927, p. 259 (Bombay). 



Synagrops splendens Lloyd, Mem. Indian Mus., vol. 2, No. 3, 1909, p. 159 

 (pi. 47, fig. 5). Gulf of Oman, in 230 fathoms. 



Acropoma cynodon Regan, Ann. Mag Nat. Hist. London, ser. 9, vol. 7, 1921, 

 p. 415. Off Natal. — Gilchrist, Fisher. Marine Biol. Surv. South Africa, 

 No. 2, 1921 (1922), p. 69 (off South Africa in 150 to 230 fathoms).— 

 Barnard, Ann. South Afric. Mus., vol. 21, pt. 2, 1927, p. 529 (Nata 

 coast in 130 to 230 fathoms). 



Depth 334 to 3^; head 2}4 to 2%, width 2% to 2%. Snout 4^ 

 to 43^ in head from snout tip; eye 3 to 33^, greater than snout or 

 interorbital; maxillary 2% to 2% in head, reaches slightly beyond 

 front of eye, expansion 2% to 2}/% in eye; teeth fine, villiform, in 

 bands in jaws, on vomer and palatines; inner pair of upper front 

 canines and smaller close set symphyseal pair, both pairs directed 

 inward; interorbital level, 5 to 5}^ in head; preopercle edge and 

 ridge entire, also preorbital. Gill rakers 6 + 12, lanceolate, slender, 

 little longer than gill filaments or 2)4 in eye. 



Scales 44 or 45 in lateral fine to caudal base and 4 more on latter; 

 4 above, 11 below, 10 to 13 predorsal, 3 or 4 rows on cheek; head 



