FISHES OF THE PHOENIX AND SAMOAN ISLANDS 225 



about 20 in frout of dorsal ; dorsal rays VI-I, 9 ; anal I, 8 ; 

 pectoral 19 or 20; cheeks naked; a few scales on dorsal 

 edge of opercle. 



Bathygobius crassiceps (Jordan and Seale) 

 12&. Free edge of basal membrane, definitely bilobed (no pro- 

 jection at middle of free edge, only at sides). 

 13a. Scale rows 34 or 35 between gill opening and base of 

 caudal tin ; 17 scales in front of dorsal fin and 10 in 

 a transverse series ; cheeks and opercle naked ; three or 

 four of upper rays of pectoral fin branched and silky ; 

 dorsal rays VI-I, 9; anal I, 8; pectoral 18 or 19; color 

 characteristically of broken lengthwise lines. 



Bathygobius fuscus swainsensis, new subspecies 

 136. Scale rows 37 to 40, usually 38 or 39; 21 to 23 scales 

 in front of dorsal fin. 

 14a. About eight of upper rays of pectoral fin branched 

 and silky ; opercle scaled ; cheek scaled in its upper 

 or dorsal part ; l.'j scales in a transverse row ; pec- 

 toral rays 24 ; dorsal VI-I, 9 ; anal I, 6 or I, 7. 



Bathygobius cotticeps (Steindachner) 



14&. About four of upper rays of pectoral fin branched and 



silky; cheeks naked; opercle naked (rarely any scales 



on its dorsal edge) ; 12 or 13 scales in a transverse 



series; pectoral rays 18 or 19; dorsal VI-I, 8; anal 



I, 8 Bathygobius fuscus fuscus (Riipi)ell) 



11&. Tongue truncate ; a band of villiform teeth in both jaws with- 

 out enlarged ones on inner and outer edges; scales in 

 about 28 rows ; 12 or 18 in front of dorsal and 9 in a trans- 

 verse series ; cheeks and opercle naked ; about three or 

 four of upper rays of pectoral fin branched and silky; 

 dorsal rays VI-I, 10; anal I, 9, or I, 10; pectoral 19; three 

 or four irregular rows of spots arranged in lengthwise series. 



Gobius ornatus Riippell 

 10&. Upper pectoral rays not divided, elongate and silky. 

 15a. About three to six well-developed fleshy flaps on shoulder 

 girdle concealed by operculum ; scale rows about 48 to 60 ; 

 anal rays 12; pectoral 15 or 16; dorsal rays VI-I, 10 or 

 I, 11 ; breast scaly. 

 16a. Inside of mouth papillate; scale rows about 57: 18 or 19 

 scales in front of dorsal fin and 14 in a transverse series; 

 upper part of cheek scaly ; upper part of opercle scaly ; 

 snout longer than maxillaries ; tongue bilobed ; lower jaw 

 a little longer than upper ; caudal rounded. 



Chonoplionis ocellaris (Broussonet) 

 166. No papillae on inside of mouth; scale rows about 50; 15 

 or 16 scales in front of dorsal and 11 or 12 in a trans- 

 verse series ; cheek naked ; upper part of opercle with 

 small patch of scales; snout from 1.3 to 1.7 in maxillaries 

 (mouth longer on males); tongue weakly bilobed; jaws 

 equal ; caudal weakly pointed ; a black bar under eye ; 

 sides of body with 10 or 11 narrow brown bars. 



Chonophorus genivittatus (Valenciennes) 



