40 BULLETIN OF THE BUREAU OF FISHERIES. 



Family CEPHALACAXTHID^. 



CEPHALACANTHTJS Lacepede. 



210. Cephalacanthus macracanthus (Bleeker). 



Head (without spine) 3.7.5 in length; depth oAO; dorsal i-i-v, S; anal 6: interorbital spine 2 in hi'ad 

 and miR-h less than length of preopercular spine, which extends eonsiderabl3' beyond base of pectoral liu, 

 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 ECHENEID.^i. 



LEPTECHENEIS Gill. 



211. licpteclieneis naucrates (Linmeus). 



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

 Two specimens from Manila, length 14 and 8 inches. 



Family (iOBIID.-E. 



BUTIS Blacker. 



212. Butis serrifrons (Ruttcr). 



Head 3 in length; depth 3.75; eye 4..50 in lu'ad; interorbital concave, 3 in postocular part of head; 

 dorsal vi; anal cS; scales 27; cheeks and nucha! 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; Ijands 

 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 ba.se 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 .hirdan & Scale. 



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 seiTated. 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; soft dorsal with outer half yellowish; top of caudal yellowish ; tip of anal and ventral yel- 

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

 colored than the original type from Negros. 



PEKIOPHTHALMODON 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 bauds 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. 



