1 84 



Caudal deeply forked. Colour of preserved specimens brownish 

 above, silvery or golden below. Pectorals black, with an oblique 

 hyaline band which tapers backwards and is more developed 

 in young specimens than in older ones. Distal half of ventrals 

 and posterior half of dorsal black. Anal white. Caudal darkish. 

 Length about 260 mm. 



Habitat: Malacca-straits!, Java-sea!, Bay of Batjan !. — 

 Indie, Pacific and Atlantic, not very common. 



5. Cypsilurus altipennis (C. V.) 



Exocoetns altipennis Cuvier & Valenciennes, Hist. nat. Poissons XIX. 1846, p. 109. 

 Exocoetus speculiger} Bleeker, Nat. Tijdschr. Ned. Indie IX. 1855, p. 273. 

 Exocoetus katoptron Bleeker, Ned. Tijdschr. Dierk. III. 1866, p. 115. — Atl. 



ichth. VI. 1866— 1872, p. 72. 

 Exocoetus katoptron Giinther, Cat. Brit. Mus. VI. 1866, p. 289. 

 Exocoetus robustus Giinther, I.e. p. 289. 

 Exocoetus altipinnis Day, Proc. Zool. Soc. London, 1888, p. 265. — Fish. Brit. 



India, 4°. 1878—88, p. 807. 

 Cypsilurus katoptron Jordan & Scale, Bull. Bur. Fish. XXV. 1906, p. 211. 

 Cypsilurus altipinnis Scale & Bean, Proc. U. S. Nat. Mus. Wash. XXXIII. 



1908, p. 240, 

 Exocoetus katoptron Giinther, Fische der Stidsee, Heft VIII. 1909, p. 367. 

 Cypselurus katoptron Mc Culloch, Rec. Western Austr. Mus. i (2) 1912, p. 84. 



7 



D. 13; A. 10 — 12; P. 1. 13 — 15; V.6; L.l. 46—52; L. tr. i_. 



2 



Somewhat compressed, the breadth of the body going about 

 1.4 in its length. Height 5.8, 7.5 in length with caudal. Head 

 4.2, 5.4 in length with caudal. Eye 2.7 — 3, somewhat less 

 than postorbital part of head and about equal to slightly concave 

 interorbital space. Snout 1.2 — 1.7 in eye. Teeth very small, 

 scarcely conspicuous, in narrow bands in the jaws and accord- 

 ing to Bleeker in slender elongate patches on the palatines, 

 but not to be found in the specimens examined by us. Origin 

 of anal opposite to 6^1^ dorsal ray. Origin of dorsal separated 

 by about 28 scales from occiput. Pectorals reaching almost or 

 quite to end of dorsal. Ventrals much longer than head, reaching 

 to middle of anal or farther, their origin not inuch nearer to 

 base of caudal than to hindmargin of eye. Caudal deeply 

 forked. Colour of preserved specimens brownish above, silvery 

 below. Fins more or less dusky. Pectorals blackish ; with an 

 oblique hyaline band and a hyaline hindermargin. Length 400 mm. 



Habitat: Sumatra (Siboga); Java Sea!. — Philippines; 

 Samoa; Australia; Bombay; Red Sea!. 



