380 
BULLETIN OF THE BUREAU OF FISHERIES 
9.6; length of head, 5.4; greatest depth, 4.3; diameter of eye, 1.5 millimeters. Mouth 
very large, oblique, lower jaw projecting, maxillary ending about middle of pupil. 
Pigmentation. — Marking is essentially as in younger stages, the sides of body 
being closely covered with stellate and round chromatophores of varying sizes. 
Three longitudinal rows occur on either side of dorsal ridge, and a single line on 
either side of ventral ridge behind vent. The peritoneum is black. The head is less 
pigmented than body, and underside of stomach is much lighter than the rest of 
body. The fins are colorless. 
BREEDING 
The black bass spawns from May until early July, incubation taking from 5 to 15 
days depending upon the water temperature. Shallow nests are scooped out in the 
sand for the eggs, and the parent fish guard them carefully until hatched. Reighard 
(1906) has described in detail the breeding and development of this species. 
49. Aplites salmoides (Lacepede). Largemouth bass. [Huro jloridana (Le- 
Sueur). Jordan, Evermann, Clark, p. 297.] 
RECORD OF CAPTURE 
The largemouth bass is not as common as its smallmouth relative but is restricted 
to weedy places along the lake shore, some of the quieter tributaries, and ponds 
near by. Forty-five young fish, each measuring about 7 centimeters in length, were 
taken in a seine haul at Long Point Bay on August 23, 1928. 
DESCRIPTION 
The upper jaw extending to hind margin of eye, and a prominent dark lateral 
streak serves to distinguish this species from Micropterus in which the mouth extends 
only to middle of pupil and the sides have many short vertical bars. 
