_ Abudefduf abdominalis (Cuvier). ae » c G.. 
we ae f 
Head 31/10 to 3 2/5; young 2 3/h 3 depth 1 3/4 to 1 7/8; 
D. XIII, 14, sometimes 135 or 15; A. II, 13, sometimes 12 or 
14; 20 to 23 tubes in upper arch of lateral line, and 7 to 
10 pores in horizontal section to caudal base; 5 or 6 scales 
above lateral line to spinous dorsal origin, 4 to soft dor- 
sal origin, 10 to 12 below to spinous anal origin; 25 to 27 
predorsal scales; snout 31/5 to 4 in head from upper jaw 
tip, 4 1/6 in young; eye 3 to 4, young 2 2/5; maxillary 3 
to 3:1/2; interorbitel 2.2/5 te 3 1/8. 
Body deeply ovoid, more so in young, strongly com- 
pressed; caudal peduncle length about 3/5 to 2/3 its least 
depth, latter 1 3/4 to 21/4 in total head length, Head 
width 1 3/5 to 2. snout convex,length 2/3 to 3/4 its width, 
Kye with hind edge about midway in head, hind pupil edge 
midway in young. Mouth small, lower jaw slightly protrudes, 
more so in young. Maxillary to hind nostril, little beyond 
front eye edge though not to pupil in young; expansion 2 
in eye, 3 in young. Teeth Gis serial even incisors, edges 
only very slightly notched or emarginate, Lips broad, 
Nostril about last fourth in snout prefile. Interorbital 
convex, Freopercle and preorbital edges entire, 
