232 FISHES. 



larger, muzzle more projecting, the front therefore con- 

 cave, cheeks nearly naked; eyes still larger, 3 in head; 

 longest dorsal ray equal to depth of head at front of 

 orbit; silvery, dusted with dark points; scales with dark 

 shades; D. X, 12; A. VI, 11; lat. 1. 38. Roanoke R. 



5. ACANTHARCHUS, Gill. BASS SUN FISHES. 



< Centrarchus, Baird. 



1. A. pomotis, (Baird) Gill. MUD SUN FISH. Ellip- 

 tical; mouth large; dark greenish olive, with dull yellow- 

 ish markings and longitudinal dusky streaks; opercles 

 with dusky radiating bars; D. XI, 12; A. V, 12; L. 5. 

 Muddy streams coastwise, N. J., N. Y., etc. 



6. HEMIOPLITES, Cope. FOUR-SPINED SUN FISH. 



1. H. simulans, Cope. FOUR-SPINED SUN FISH. Head 

 2f in length, depth 2; eye 3 in head; bright olive, with 

 dusky stripes; sides and cheeks with purple reflections; 

 D. VIII, 11; A. IV, 10; lat. 1. 30. James R., Va. Re- 

 sembles E. obesus. 



7. ENNEACANTHUS, Gill. NINE-SPINED SUN FISHES. 



< Bryttus, Putnam. 



1. E. obesus, ( Baird ) Gill. SPOTTED SUN FISH. 

 Depth about half length; dark olive green, much 

 barred or mottled; cheeks with lines and spots; opercular 

 flaps velvet black, bordered with purple ; a dark bar below 

 eye; $ brightly colored; fins high, spotted or mottled 

 with blue; D. IX, 10; A. Ill 10; L. 3. Streams coast- 

 wise from Mass., southward; a handsome little fish. E. 

 guttatus (Morris) Cope, is the male (Abbott.) 



8. MESOGONISTIUS, Gill. BLACK -BANDED SUN FISH. 

 1. M. ch&todon, (Baird) Gill. BLACK -BANDED SUN 



