Fishes from Toha<jo. 535 



Centrochromis rudis. 



Gh/phidodon riidU, Poey, Meniorias, ii. p. 191 (1860); Qunther, Cat. 



Fish. iv. p. 37 (1862). 

 Abudefduf rudis, Jordan and Evermann, Bull. U.S. Nat. Mus. xlvii, 



p. ibOa (1898). 



Deptli of body If to 2 in length, lengtli of head 3.} to 3^. 

 Snout sliglitly longer than diameter of eye, which is ^^—6'^ 

 in length of head and 1:^ to li in interorbital width. Snout 

 jind lower jaw naked. ]\Iaxillary extendiug to vertical from 

 nostril. Teeth in a single series, equal, all deejjly bifid. 

 Pneoperculum coarsely serrated ; operculum with a Hat 

 spine. Dorsal XIII 12; fourth to sixth spines longest, 

 j( to i length of head, shorter than longest soft rays; soft 

 fin obtusely angular. Anal II 10 ; second spine strong, 

 nearly ^ length of head. Pectoral nearly as long as head. 

 Pelvics scarcely reaching vent. Caudal emarginate, with 

 I'ounded lobes. Caudal peduncle twice as deep as lonj:. 

 25-27 scales in a longitudinal series, 3^ from origin of 

 dorsal to lateral line. Five broad dark vertical bands on 

 body, wider than the intei'spaces; a black spot superiorly in 

 axil of pectoral. 



Five specimens, 115-180 n)m. in total length. 



Microspathodon chrysurus, Cuv. & Val. 



Depth of body 2 in the length, length of head 3;^ to 3^. 

 Snout longer than diameter of eye, which is 3f to 4 in length of 

 head. Interorbital space convex, its width 1.', times diameter 

 of eye. Piteorbital broad, deeply notched, its depth above 

 angle of mouth 1 to 1^ times diameter of eye. Lower jaw 

 slightly shorter than upper; maxillary extending to vertical 

 from nostril. Teeth in both jaws Hat, sharp, movable^ in a 

 single series ; in the lower jaw twice as large as in the upper. 

 Head entirely scaly, except the lower jaw. Dorsal XII 15-16 ; 

 spines gradually increasing from the first, last i length of 

 head; soft fin angular. Anal II 13-14; second spine about ^ 

 length of head. Pectoral as long as, or slighth' longer than, 

 head. Pelvics reaching vent or slightly beyond, but not 

 to anal. Caudal forked ; upper lobe longer than lower. 

 Caudal peduncle nearly twice as deep as long. 29 scales 

 in a longitudinal series, 3i from oiigin of dorsal to lateral 

 line. Brownish; scales on body with darker edges; some 

 white spots scattered on head and nape, and to a lesser 

 extent on back and scales of dorsal fin. Dorsal, anal and 

 pelvic fins dusky; caudal yellow. 



Two s[)ecimens, 147 and 135 mm. in total length. 



