486 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiv. 
12. SILLAGO Cuvier. 
Sillago Cuvier, Regne Animal, Isted., II, 1817, p. 258 {sihama=acuta). 
This genus includes most of the species of the family, including all 
those with villiform teeth, the soft dorsal and anal similar to each 
other, the scales small, and the ventral spine normal. 
(Name unexplained.) 
a. Scales 68 to 75. 
b. Scales between lateral line and insertion of dorsal in 4 rows; cheek scales cycloid; 
D. XI— I, 20 or 21; A. II, 22 or 23; soft dorsal not spotted .^ihama, 19. 
bb. Scales between lateral line and insertion of dorsal in 3 rows; cheek scales ctenoid ; 
D. XI— I, 22; A. II, 23 japonka, 20. 
aa. Scales 82 to 86; seven rows above lateral line, scales of cheek ctenoid; D. XII — I, 
22; A. II, 23; soft dorsal spotted parvisquamls, 21. 
19. SILLAGO SIHAMA (Forskal). 
KISUGO. 
Atherina siliama ForskIl, Descript. Anim., etc., 1775, p. 70; Red Sea. 
Platycephalus sihamus Schneider, Syst. Ichth., 1801, p. 60. 
Sillago sihama ROppell, Atlas Reise, N. A., p. 9, pi. iii, tig. 1; Red Sea. — Gitnther, 
Cat. Fish., II, 1860, p. 244; Red Sea, Ceylon, Amoy, Philippines, Nepal, 
Malayan Peninsula. — Gill, Proc. Ac. Nat. Sci. Phila., 1861, p. 504.— Jordan 
and Snyder, Fishes Formosa, MS. ; Formosa. 
Sdsena malabarica Schneider, Syst. Nat., 1801, p. 81, pi. xix; Malabar. 
Sillago malabarica Gill, Proc. Ac. Nat. Sci. Phila., 1861, p. 504. 
Sillago acuta Cuvier and Valenciennes, Hist. Nat. Poiss., Ill, 1829, p. 400; 
Tranquebar, Pondicherry, Bengal, Java. 
Sillago eryihriect Cuvier and Valenciennes, Hist. Nat. Poiss., Ill, 1829, p. 409; 
Red Sea, Suez, Massuah. 
Head, 3i in length, depth, 6i; depth of caudal peduncle, 4i in head; 
eye, 5; snout, 2|; interorbital space, 5i; pectoral, Yi in length; ven- 
tral, 7i; caudal, 6; D. XI — 1, 20; A. II, 23; scales in lateral line, 61)? 
in transverse series, 14; between lateral line and insertion of dorsal, 4. 
Body elongate, slightly compressed, the caudal peduncle narrow; 
ventral contour almost straight, the dorsal outline rising evenl}" and 
gently from snout to dorsal fin; head elongate, the snout long and 
sharp. Eye large, located midway between tip of snout and edge of 
opercle; interorbital space slightl}^ convex. Mouth small, somewhat 
oblique, maxillary contained 4f times in head. Bands of minute, 
simple teeth on both jaws, an outer single row of enlarged ones both 
above and below, but no canines; a broad patch of vomerine teeth 
present. Gill-rakers on first arch, 4 or 5 + 9, short, slender; pre- 
opercle with a few broad, weak spines. 
Body covered with finely ctenoid scales, occiput, cheeks and throat 
with smooth scales, the snout smooth; basal half of caudal with minute 
scales, the other fins smooth. Lateral line complete, passing along 
upper part of bod}^, then bending downward to middle of caudal 
peduncle. 
