SYNOPSIS. 363 



dorsal fin placed on a thin ridge ; spiny rays of the dorsal 



scarcely distinguishable from the other ; ventrals very 



small ; lateral line curved over the pectorals ; colour wholly 



black, the belly lighter. Fin-rays, D. 38 : P. 20 : V. 1 + 5 : 



A. 22 : C. 17.— Cuv. <|- Val, ix. p. 254, pi. 269. Holo- 



centrus niger, Lacepede. Centrolophus niger, Black Perch, 



Pern?. Brit. Zool., iii, p. 351. 



Gen. XXIX. Zeus. Body oval, compressed, without scales ; 



mouth very protractile ; dorsals separated by a deep notch, the 



spines of the anterior portion ending in long filaments ; bran- 



chiostegous rays seven. 



Sp. 52. Z. faher. The Dory. Greatest depth half the entire 



length ; tail suddenly contracting before the caudal ; head 



very large, one-third of the entire length ; spines of the 



anterior division of *the dorsal very high, the filaments 



much longer than the spines ; pectorals small and rounded ; 



ventrals large ; caudal rounded at the extremity ; colour 



yellowish, tinged with olive and leaden grey, with various 



coloured reflections ; middle of each side with a conspicu - 



ous black spot of an oval shape. — Linn., Cuv. ^ Vol., x. 



p. 6 ; Penn. Brit. Zool, iii. p. 29 G, pi. 45. 



Gen. XXX. Capros. Body covered with rough scales ; 



spinous portion of the dorsal without filaments ; no spines at 



the base of the dorsal and anal fins ; branchiostegous rays six. 



Sp. 53. C. aper. Boar-fish. Body short and oval, mouth 



more protractile than in Zeus ; eyes very large ; pectoral 



pretty long and angular, ventral with one strong spine, the 



other rays flexible and branched ; tail very narrow, the 



caudal rounded at the extremity. Fin-rays, D. 9, 24 : 



P. 14 : V. l-f5 : A. 3-1-24 : C. \Z— Lacepede, Cuv. .^ 



Val, X. p. 30, pi. 281. Zeus asper, Linn., Jmyns" Brit. 



VeH., p. 368. 



Gen. XXXI. Lampris. Body oval and much compressed; 



dorsal single, elongated, and deeply falcate ; teeth wanting ; 



sides of the tail carinated ; branchiostegous rays seven. 



Sp. 54. L. guttatus. Opah, or King-fish. Back and sides 

 green with purple and gold reflections; under side yel- 



