238 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



phys. Kl., vol. 26, pt. 6, p. 11, 1913 (Mekran). — Fowler, Proc. Acad. 



Nat. Sci. Philadelphia, 1925, p. 245 (Durban Bay; Delagoa Bay); Mem. 



Bishop Mus., vol. 10, p. 224, 1928 (Vavau; Funafuti). 

 Diapterus acinaces Bleeker, Atlas Ichth. Ind. N^erland., vol. 8, p. 126, pi. (77) 



361, fig. 2, 1876-1877 (Java, Cocos, Celebes). 

 Xystaema acinaces Kendall and Goldsborough, Mem. Mus. Comp. Zool., vol. 



26, p. 291, 1911 (Funafuti, Ellice Islands; Vavau, Tonga). — Barnard, Ann. 



South Afric. Mus., vol. 21, pt. 2, p. 629, 1927 (Natal, Zululand coast, Delagoa 



Bay), 

 Diapterus filamentosus (not Cxjvier) Bleeker, Nederland. Tijdschr. Dierk., vol. 



1, p. 231, 1863 (Ternate). 

 Gerres lineolatus Playfair, Fishes of Zanzibar, p. 110, pi. 16, fig. 2, 1866 (type 



locality: Aden, Zanzibar).— Regan, Ann. Natal Mus., 1908, p. 245 (Durban 



Bay; Kosi Bay). — Regan, Trans. Linn. Soc. London, ser. 2, vol. 12, Zool., 



p. 254, 1908 (Lagoon, Silhouette, Seychelles). — Gilchrist and Thompson, 



Ann. South Afric. Mus., vol. 6, p. 227, 1908 (Durban Museum; Natal); Ann. 



Durban Mus., vol. 1, pt. 4, p. 352, 1917 (compiled). 

 Gerres longicaudus Alleyne and Macleay, Proc. Linn. Soc. New South Wales, 



vol. 1, p. 272, pi. 7, fig. 2, 1876 (Feb. 1877) (type locality: Cape Grenville). 

 Gerres riippellii Klunzinger, Fische Roth. Meer.,p. 48, 1884 (not figured, reference 



to figure erroneous) (type locality: Red Sea). 

 Gerres splendens de Vis, Proc. Linn. Soc. New South Wales, vol. 9, pt. 2, p. 400, 



1885 (type locality: Cardwell, Queensland). — Saville-Kent, Great Barrier 



Reef, p. 369, 1893 (Queensland). — Whitley, Mem. Queensland Mus., vol. 10, 



pt. 1, p. 15, text fig. 1, 1930 (type); Brit. Mus. Barrier Reef Exped., vol. 4, 



No. 9, p. 286, fig. 3, 1932 (Low Isles; North West Islet, Capricorn Group). 

 Gerres rhombeus (not Cuvier) Schmeltz, Cat. Mus. Godeffroy, No. 8, p. 28, 



1881 (Samoa). 

 Gerres socotranus Steindachner, Zool. Anz., vol. 39, art. 24, p. 316, 1902 (type 



locality: Socotra); Denkschr. Akad Wiss. Wien, math.-nat. KL, vol. 71, pt. 



1, p. 137, 1907 (Kor Garrieh, brackish water, Socotra). 



Depth 2K to 2%; head 3% to 3K, width 2 to 2Ko. Snout 3 to 3K 

 in head; eye 2% to 3, greater than snout in young to equal with age, 

 greater than interorbital in young to 1% with age; maxillary reaches 

 % to Yi in eye, expansion 2% to Sji in eye, length 2K to 2% in head; 

 interorbital 2% to 3, slightly convex. Gill rakers 6 + 7, short points, 

 2% in gill filaments, which ji of eye. 



Scales 33 to 43 in lateral hne to caudal base and 3 to 5 more on 

 latter; 5 to 7 above, 10 or 11 below, 22 to 24 predorsal forward nearly 

 to nostrils leaving broad scaleless premaxillary groove at front of in- 

 terorbital; 3 or 4 rows on cheek to preopercle ridge. Scales with 7 

 to 9 basal radiating striae and many as 6 incomplete auxiharies; 

 circuU very fine. 



D. IX, 10, 1, second spine 1% to 1% in head, first ray 2% to 3; A. Ill, 

 7, I, third spine 2% to 3%, first ray 2^^ to 2%; caudal 1, widely forked; 

 least depth of caudal peduncle 2% to 2%; ventral 1% to 1%; pectoral 

 3 to 3)3 in combined head and body to caudal base. 



Back olive-brown, sides and below whitish, all with silvery-white 

 sheen. Lips pale. Iris white. Fins all pale, spinous dorsal with 

 membranes dusky terminally and each membrane of dorsal basally 



