40 BULLETIN OF THE BUREAU OF FISHERIES. 



Family CEPHALACANTHIDtE. 



CEPHALACANTHUS Lacepede. 



210. Cephalacanthus macracanthus (Bleeker). 



Head (without spine) 3.75 in length: depth 5.10; dorsal i-i-v, 8; anal 6; interorbital spine 2 in head 

 and much less than length of preopercular spine, which extends considerably beyond base of pectoral fin, 

 its length being about equal to head; distance between the two scapular spines 1.50 in depth of notch between 

 them, which about equals length of preopercular spine; a black spot on pectoral. Two specimens from 

 Manila, 3.75 and 4.20 inches in length, one specimen 3 inches long from island of Panay, and one 2.50 inches 

 long from Cavite. 



Family ECHENEIM. 



LEPTECHENEIS Gill. 



211. Leptecheneis naucrates (Linnaeus). 



Head 5.30 in length ; depth 2.25 in head; disk of 24 lamina;; dorsal 35; anal 34; a dark stripe on side. 

 Two specimens from Manila, length 14 and S inches. 



Family 00BIIOE. 



BUTIS Bleeker. 

 212. Butis serrifrons (Rutter). 



Head 3 in length; depth 3.75; eye 4.50 in head; interorbital concav.e, 3 in postocular part of head; 

 dorsal vi; anal 8; scales 27; cheeks and nuchal region scaled; entire upper half of orbit with a row of short 

 but distinct, rather stiff spine-like projections, forming a very marked character; two longitudinal rows of 

 similar projections on each side of snout just above the nostrils; cheeks and jaws with minute barbels; bands 

 of villiform teeth in jaws; mouth rather large, the maxillary extending to below anterior of eye; ventrals 

 separate; caudal rounded; dorsal spines not prolonged. Color in spirits olive brown, with darker mottlings; 

 about 4 indistinct bands over back; dorsal, ventrals, and anal black; pectoral and caudal grayish; a black 

 spot on base of lower pectoral rays; throat bluish. One specimen from Cavite, length 2.30 inches. 



Rutter's original type specimen is from China. 



213. Butis leucurus Jordan & Seale. 



Head 3 in length; depth .5; eye 6 in head; dorsal vi-i, 9; anal 9; scales 28; 19 scales in front of dorsal; 

 counting only to interorbital space: sides of head and snout covered with minute scales; tongue free, rounded, 

 teeth in bands, no canines, no teeth on vomer or palatines; opercle and preopercle entire; maxillary scarcely 

 reaching anterior margin of eye; caudal rounded; ridges on head scarcely serrated. Color in spirits dusky, 

 with indistinct lighter lines along middle of scales; a distinct black spot edged above and below with yellow 

 on base of pectoral; soli dorsal with outer half yellowish; top of caudal yellowish ; tip of anal and ventral yel- 

 lowish; pectoral yellow : two black lines through lye. Several specimens from Cavite, larger and more deeply 

 colored than the original type from N'egros. 



PERI0PHTHALM0D0N Gill. 



214. Periophthalmodon schlosseri (Bloch). 



Head 3.50 in length: depth 6.50; dorsal xii, 12; anal 13; scales 50; ventral fins united for almost half 

 their length; about 20 teeth in each jaw. Color in spirits brownish, with 8 bands over back which extend 

 obliquely down and forward to a little below median line of side; second dorsal with black band through 

 upper half of fin; first dorsal with tip yellow and a wide submarginal black band. One specimen from 

 Cavite, length 3.50 inches. 



