236 



BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Scales 110 to 117 in lateral line to caudal base and about 12 to 15 

 more on latter; tubes 68 to 73 in lateral line to caudal base and 2 or 

 3 more on latter; 16 or 17 scales above lateral line, 31 or 32 below, 

 57 to 70 predorsal nearly to snout end, 23 to 26 rows obliquely down 

 over cheek to preopercle angle; all fins more or less finely scaled 

 basally; scales with 14 or 15 rows transversely across maxillary 

 expansion. Scales with 5 or 6 basal radiating striae; apical denti- 

 cles 28 to 52, close set, compact, in 5 to 13 transverse series; circuli 

 moderately small, become coarser apically. 



D. IX, 15, i, first spine 5 to 5}4 m total head length, ninth spine 

 2 7 / 8 to 4, first ray 2% to 3^5 A. Ill, 9, I, third spine 33^ to 3%, 

 fourth ray 2)4 to 2% ', caudal 134 to 1}4> slightly emarginate or con- 

 cave; least depth of caudal peduncle 2}/$ to 23^; pectoral \% to 1%; 

 ventral \% to lj/g. 



Figure 11— Cephalopholis albomarginatus, new species 



Largely deep umber brown, more or less uniform or lower surfaces 

 scarcely paler. Four obscure blue lines horizontally on head, first 

 above eye back on opercle, second from near snout end, third along 

 maxillary groove, and fourth over maxillary and posteriorly. Iris 

 brownish. Dorsals largely dusky, soft fin with broad, contrasted 

 whitish upper border. Caudal and anal dusky brown, anal some- 

 times with lower edge pale. Pectoral brown basally, terminally 

 whitish to dull yellowish, sometimes over outer half of fin. Ventral 

 dusky. 



East Indies and Philippines. 



Diagnosis. Allied with C. polleni and C. rogaa, but differing at once 

 in coloration, also its caudal fin is emarginate. Our series shows a 

 fairly constant color pattern, the greatest variation in the extent of 

 the pale terminal area on the pectoral fin. In preserved examples 

 the blue lines on the head become quite obscure. The species may 

 easily be known by its broad pale border to the soft dorsal and its 

 general dusky brown coloration. 



