108 BOOK OF THE BLACK BASS. 



hinder margin of the orbit (about under the posterior border of 

 the pupil). 



"Dorsal fin with its anterior spines rapidly graduated (1=1 ; 

 11=1-5; 111=1-90; IV=2-05; V=2-30) to the fifth; fifth, 

 sixth and seventh longest and about equal to the space between 

 the back and lateral line ; the succeeding ones very gradually 

 diminishing to the ninth which is shortest (three-fourths 1 : 

 1-25 of fifth) the tenth being about as long as the eighth and 

 about a third shorter than the longest, i. e.', fifth. 



" Dorsal fin with scales differentiated from those of the sheath, 

 and advancing high up on the membrane behind each soft ray 

 (except the last two or three). 



" Anal fin with scales ascending high on the membrane behind 

 the several rays. 



"Color, in young and adolescent, bronzed grayish, with (1) 

 irregular darker spots, tending to arrangement in three series 

 alternating with each other above the lateral line, and (2) indis- 

 tinctly maculated with darker and yellow below ; head dark 

 above, gray on sides, with three oblique or horizontal bands, viz.: 



(1) from margin of upper jaw to below angle of preoperculum, 



(2) from lower angle of orbit to margin of preoperculum, (3) 

 from hinder border of orbit to angle of operculum> and with a 

 crescentiform band (curved forwards) in front of the forehead 

 between the eyes ; spinous dorsal simply punctulated with dark ; 

 the soft with a series of bronzed spots between the respective 

 rays; and greenish with a marginal band of grayish-white; in 

 adults the markings are more or less obliterated and the color a 

 uniform dead green." (GiLL, Pro. Am. Asso. Adv. Sci. XXII, 

 B. 69, 1873.) 



MICROPTERUS SALMOIDES Uhler and Lugger, 1876. " Elon- 

 gated oval, arched; thick and rounded along the back; thinner 

 and nearly straight at the belly. Head very large and thick, 

 especially between the eyes , snout full and rounded ; eyes very 

 large. Head and body dusky above, with a greenish or bronzed 



