FISHES OF THE PHILIPPINE SEAS AND ADJACENT WATERS 197 



Depth 2){ to 2/2; head 3% to 4)^ width \% to \%. Snout 2% to 3 in 

 head; eye 3% to 4, greater than snout in young to 1% with age, greater 

 than interorbital in young to 1% with age; maxillary reaches eye, 

 length 3 to Z){ in head; teeth 14 to 16 rather large, wide, compressed, 

 tridentate to quadridentate incisors, but wearing entire with age; 

 interorbital 2)i to 2%, broadly convex. Gill rakers 4 + 14, lanceolate, 

 % of gill filaments, which K of eye. 



Scales 80 to 83 close along above lateral line to caudal base; tubular 

 scales 63 to 68 in lateral line to caudal base and 8 to 10 more on latter; 

 16 to 18 scales above, 26 to 30 below, 25 to 30 predorsal forward to 

 occiput. Scales with 9 to 21 basal radiating striae; 28 to 32 apical 

 denticles, with 4 transverse series of basal elements; circuli fine. 



D. XVI, 12, I, first spine 5K to 9 in head, sixteenth spine \% to \%, 

 second ray IK to \%; A. Ill, 10, i, third spine 1% to 1%, third ray 

 iKo to V/i; least depth of caudal peduncle 1% to 2; ventral 1 to iKo; 

 caudal 3K in combined head and body to caudal base; pectoral 3%, 

 IK in head in young. 



Largely dark umber to olive-brown, lower surface scarcely paler. 

 Body with 7 dark transverse bands, subequal in width to pale inter- 

 spaces which blotched or spotted variably also with dark; with age 

 bands all break up more or less so whole body with mottled appear- 

 ance. Iris slaty. Fins dark bro^vnish or olive-brown, often more or 

 less neutral dusky terminally. Pectoral usually palest of fins, though 

 most all with dark mottling with age. 



Easter Island. 



U.S.N.M. No. 65511. Cook Bay, Easter Island, ^^fca^mss collection, 1904-1905. 



Length, 283 mm. Type. 

 U.S.N.M. No. 65512. Easter Island. Alhatro&s collection, 1904-1905. Length, 



265 mm. 

 U.S.N.M. No. 65513. Cook Bay, Easter Island. Alhaiross collection, 1904-1905. 



Length, 110 mm. 

 U.S.N.M. No. 65514. La Perouse Bay, Easter Island. Albatross collection, 



1904-1905. December 17, 1904. Length, 20 to 29 mm. Twenty-six examples. 



Dark cross bands variable, sometimes median bifurcate. 



Genus TEPHRAEOPS Giinther 



Tephraeops Gijnther, Cat. Fish. Brit. Mus., vol. 1, p. 431, 1859. (Type, 

 Tephraeops richardsonii CvNTQEn^ Crenidens tephraeops Richardson, 

 virtually tautotypic.) 



Body oblong ovate. Head small, obtuse. Eye median, high. 

 Teeth with flat, tricuspid outer series and behind broad band of 

 smaller ones. No molars. Scales very small, about 116. Cheeks 

 scaly. Opercies, except upper angle, naked. Vertical fins finely 

 scaled. Dorsal spines 14. 



