THE FISHES OF NEW JERSEY. 311 
Family MICROPTERID/A. 
Acantharchus pomotis (Baird). 
Mud Sun Fish. 
Color in life deep olive generally, sides brassy-golden shaded 
with paler areas, especially on cheek and opercle. Lines on trunk 
and sides of head deeper olive than ground-color. Opercular 
spot black. Lower surface of head paler than upper surface. 
Dorsals, anal and caudal dusky-olive, and base of caudal more 
dusky than broad pale submargin, edge but slightly dusky. Dor- 
sals also olivaceous, and. rayed fin with a longitudinal dusky bar. 
Rayed anal similar, only dark bar begins on spinous fin. Pectoral 
transparent or dilute saffron-olive. Ventral transparent, front 
edge white, and first ray dusky-olive. Iris with olivaceous-brown 
encircling pupil, around which is a paler and lighter ring. Length 
5 inches. Affluent of Crosswicks Creek, near Trenton. July 15th, 
1906. Dr. C. C. Abbott, T. D. Keim and H. W. Fowler. 
Color in life generally dark dull olivaceous-brown, inclining to 
more paler olivaceous on lower surface of head and abdomen. 
Body marked with 5 longitudinal dusky-olive streaks. Upper- 
most of these close to base of dorsal, next just above lateral line 
inclusive to just below lateral line broader, and fifth extending 
from infraorbital to axil of pectoral and back where it joins upper. 
Below this, lowest extending from articular bone just below base 
of pectoral and then continued to base of anal, but not on caudal 
peduncle. Bars on head distinct, especially postocular and 1 
from infraorbital. Opercular blotch a little smaller than orbit, 
with posterior golden-olive margin. Fins dusky, soft dorsal 
paler. Pectoral and ventral dusky, paler than unpaired fins, 
though base of former darker. Anterior margin of ventral slaty, 
base of fin and innermost ray pale. Lower margin of anal slaty. 
Iris olive, ring around pupil slightly dusky. Length about 5% 
inches. Forks of Cedar Swamp Creek, Cape May County. De- 
cember 31st, 1905. T. D. Keim and H. W. Fowler. Young 
much darker, with golden reflections on opercle and chest, side 
