474 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
its black spot liiglier tlian long, shorter than eye with a narrow pale 
border. Spinous dorsal rather low, two-thirds height ot soft, the long- 
est spine as long as Iroin snout to middle of eye ; caudal peduncle short 
and deep ; caudal slightly emarginate ; pectorals and ventrals reaching 
vent. Head ; depth If. Eye a little longer than snout, 3| in head. 
E. X, 10; A. Ill, 0; scales 6-34-11. L. 2^ inches (adult). Types 15 
specimens, in Illinois Laboratory of Xatural History from Illinois liiv^er. 
{Forbes MSS.) 
738. L.. pSieaiax (Cope & Jordau) McKay. 
Appearance of Lepomis palUdus. Body rather short and deep ; snout 
short, projecting, forming an angle over the eye. Mouth moderate, the 
lower jaw slightly the longer, the maxillary reaching middle of eye, the 
supplemental bone strong. Eye moderate, in head. Opercular spot 
larger than eye. Scales on cheek in 7 rows. Gill-rakers very long. 
Dorsal spines short and strong, as long as from snout to middle of eye ; 
Ijectorals long ; soft dorsal high, anal higher. Color in spirits nearly 
plain olive-green ; no black spot on dorsal or anal. Head 24 ; depth 2|^. 
D. X, 10; A. Ill, 9; scales G-43-14. L. C inches. Beaseley’s Point, 
Xew Jersey. 
{Apomotis phenax Cope &- Jordau, Bull. U. S. Nat. Mus. x, 26, 1877 ; McKay, Proc. 
U. S. Nat. Mus. 1881.) 
ib. Supplemental maxillary reduced to a sliglit rudiment. 
c. Gill-rakers still, not very short; palatine teeth usually present. {Lepomis.) 
d. Gill-rakers comparatively long and slender ; ear-flai) short. 
739. h. isclayrsis Jor. & Nelson. 
Aspect of L. palUdus. Body elongated, robust, much elevated. 
Mouth wide, the maxillaries reaching middle of orbit. Palatine teeth 
Iiresent. Occiput prominent ; toj) of head flat and short, forming an 
angle with the descending itrofile. Scales on cheeks in 6 rows. Fins 
high, the dorsal spines rather low and very strong, the longest as long 
as from tip of snout to middle of orbit. Opercular flap large, with a 
broad pale edge, entirely surrounding the black. Eye large, smaller 
than opercular spot, 4.^ in head. Color dusky, mottled with orange and 
blue ; cheeks with wide obscure blue bands ; a dusky spot on dorsal 
and anal behind; belly and lower fins coppery yellow; lower jaw and 
lower parts of head leaden blue. Head 2| ; depth, 2^. D. X, 12 ; A. 
Ill, 10 ; scales 5-46-14. L. 7 inches. Illinois Elver. 
{Ichthclis aquilensis Nelson, Bull. Ills. Mus. Nat. Hist, i, 37 (not Pomotis aquilensis 
B. & G.); Jordau & Nelson, Bull. U. S. Nat. Mus. x, 25, 1877.) 
