FISHES OF THE PHOENIX AND SAMOAN ISLANDS 93 



midaxis at base of caudal fin and forward on caudal peduncle for 



a short distance Apogon doryssa (Jordan and Seale) 



11&. Gill rakers 5+14 to 16; a broad black area covering most of 

 caudal peduncle, except its upper and lower sides, this black 

 marking extending out and covering lower half of caudal fin ; 

 depth of caudal peduncle 1.9 times in its length ; first dorsal 

 spine as long as or longer than pupil, 3 to 4 times in second. 



Apog'oii crassiceps Garman 



10b. Margins of both anterior and posterior edges of preopercle not 



serrated but smooth ; third dorsal spine longest ; dorsal fin rays 



VII-I, 9 ; anal II, 7 or 8 ; caudal fin rounded. 



12a. No black spot on oi>erculum ; body and fins usually plain or with 



vertical color bars'"; lateral line incomplete; pectoral fin rays 



12 or 13; gill rakers on first gill arch 3 or 4+11 or 12; scales 



about 2+21+6; palatine teeth present. 



Apogon brachygranima '" (Jenkins) 



12b. A black opercular spot with white margin ; lateral line usually 



incomplete but sometimes rudimentary pores occur on caudal 



peduncle. 



13a. Side of body with about eight rows of longitudinal placed black 



spots, these spots occurring near center of each scale: (1) Four 



spots ju.st below spinous dorsal and interspace between dorsal 



fins; (2) series of spots along next row of scales, and rows 



3 to 7 follow the corresponding scale rows ; eight row occurs 



from midlength of pelvics to base of anal fin ; no spots on 



fins ; along midventral and middorsal line of caudal peduncle 



are a few black spots too ; a light streak across cheek from 



lower fourth of eye, and bordering it below are black streaks, 



the lower one very distinct ; a black streak occurs above 



lower opercular spine, area over spine light colored ; gill 



rakers 3 or 4+12 or 13; pectoral fin rays 12 or 13; scales 



2+22 or 23+6, usually there are palatine teeth present. 



Apogon isostigma (Jordan and Seale) 

 136. Sides of body mottled or with about eight or nine vertical 

 bars ; fins and lower jaw barred ; no black spots arranged 

 in longitudinal rows; opercular spot similar to that of iso- 

 stigma except there is a black rim posteriorly to narrow white 

 line around black opercular spot ; scales 2+23+5 or 6; pectoral 



rays 13; gill rakers 4+12 Apogon auritus Valenciennes 



16. Canine teeth present in jaws ; dorsal rays VI-I, 9 ; anal II, 8. 



14a. Tip of lower jaw with a pair or two of enlarged canines ; no band of 

 villiform teeth in lower jaw ; lower jaw with a single series of large 

 conical teeth, a few of which are enlarged canines widely spaced on 

 sides of jaw and between which are a few small conical teeth in an 

 irregular row ; canine teeth in upper jaw in a group each side of a 

 small toothless space at symphysis, no villiform teeth at tip of upper 

 jaw, but following canines occurs a wide baud posteriorly ; gill rakers 

 about 5+19; pectoral rays about 13; 7 to 9 dai'k brown streaks on 

 side of body and a broad diffuse black band at base of caudal fin. 



Cheilodipterus lineatus Liiniaeus 



146. No canines at tip of lower jaw, but three to six pairs of enlarged canines 



located along midsides, tip of lower jaw with villiform teeth, these 



i» There are traces of vertical color bars on the types of Foa vaiulae Jordan and Seale, 

 Fowleria brachygrammus Jenkins, and Foa fo Jordan and Seale. 



