1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 7 



20. Hybopsis dissimilis, Kirtlanrt. 



Rather rare in the river. 



Light green above, irregularly speckled above with darker, some of 

 the scales being wholly or partly dusky ; more of these on back of tail ; 

 lower parts silvery; a faint plumbeous lateral shade; several dusky 

 roundish blotches on sides of body, the one near base of caudal most 

 distinct ; some yellowish behind this and on snout ; a blackish area be- 

 hind nostrils ; fins a little yellowish. Maxillary extending to below nos- 

 trils. Head, 4 in length ; depth, if. Scales, 6-12-5. 



These specimens are paler in color than is usual in H dissimilis^ the 

 body is less slender and the scales are larger. Similar specimens have 

 been taken from White River, Indiana. Examination of a very large 

 series shows some intergradation between these two forms which are 

 probably not distinct species. The case seems to be parallel with that 

 of Phenacohius mirahilis. 



21. Hybopsis biguttatus, Kirtland. 

 One specimen taken in the river. 



22. Semotilus atromaculatus, Mitchill. 



A few specimens from Village Creek. Scales 60. 



23. Pomoxys annularis, Ratiuesque. 

 Young very common in the bayous. 



24. Lepomis humilis, Girard. 

 Two small specimens. 



25. Lepomis cyanellus, Rafinesque. 

 Common. 



26. Micropterus dolomiei, Lac^pfede. 

 Common. 



27. Hadropterus evides, Jordan and Copeland. 

 A few in the river channel. 



These differ somewhat in coloration from specimens taken in White 

 River, Indiana. 



Light clear olive, shaded with light green ; sides with rather faint 

 broad green cross-bars about twice as wide as the interspaces, which 

 are light orange, the color deepening to an orange spot on the middle 

 line of the side, on each cross-bar. Some light orange on back of tail 

 and on base of caudal. Cheeks pale, translucent. A distinct, oblique, 

 light yellow [stripe] from below eye, upward and backward across tem- 

 poral region. A curved green bar behind pectoral. Top of head and 

 snout rusty orange. Lower parts and lower fins pale. Spinous dorsal 

 entirely rusty red, its basal part mostly red, the outer orange; no black 

 spot on dorsal. Soft dorsal and caudal translucent, the latter light 

 orange at base. 



Palatines with teeth. I^ape scaly; breast naked; cheeks naked ; oper- 



