THE JRISHES OF | NEW JERSEY. 289 
Genus Lepomis Rafinesque. 
The Eared Sun Fishes. 
Key to the species. 
a. Supplemental maxillary well developed. PHENAX 
aa. Supplemental maxillary rudimentary or wanting. 
b. No dark blotch on bases of last dorsal and anal rays; opercular flap 
of adult long and narrow. AURITUS 
bb. A dark blotch on bases of last dorsal and anal rays; opercular flap of 
adult long and wide. PALLADUS 
Lepomis phenax (Jordan). 
PLATE 40. 
Deceptive Sun Fish. 
Piead292) ‘depth 255° De Xs inp; A. TL swopan Py 1, 1a; 
V.1,5; scales 46 in lateral line to base of caudal, 7 scales between 
origin of spinous dorsal and lateral line, and 15 scales between 
latter and origin of spinous drosal; width of head 2% in its 
length; depth of head, over front of orbit, 2'/,); fifth dorsal 
spine 3; seventh dorsal ray 2; third anal spine 3; fourth anal 
ray 2; length of caudal 1*/,;; least depth of caudal peduncle 
2%; pectoral 11%4; ventral 156; snout 4, from tip of upper jaw; 
eye 5; maxillary 27; interorbital space 4. Body deep, com- 
pressed, rather orbicular, profiles somewhat similar, and greatest 
depth about middle of depressed ventral. Caudal peduncle com- 
pressed, rather deep, and least depth 1% in its length. Head 
rather large compressed, and upper profile slightly concave above 
upper front of eye. Snout broad, convex, and profile bulging a 
little on upper. Eye orbicular, a little elevated, and well ante- 
rior. Preorbital rather broad, two-thirds diameter of orbit. 
Maxillary well inclined, mandible protruding a little in front, and 
posterior edge of maxillary extending a little beyond front orbital 
rim or not quite opposite front rim of pupil. Supplemental max- 
illary well developed, though rather small, and distal expanded 
extremity of maxillary equal to four-sevenths of orbital diameter. 
IQ MU 
