148 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
28. Notropis ariommus Cope. 
Very abundant in Cypress Creek, but not taken elsewhere. 
29. Notropis Loops Gilbert. 
Very abundant in Cypress Creek ; taken also in the Big loanee and Veta Wright 
Creeks. 
30. Notropis leuciodus Cope. 
Like spectruncuhis, galacturus, and coccogenis, this is a species characteristic of the 
mountain streams, and infreqnently taken along the Lower Tennessee. Specimens 
were obtained in Cypress and Big Nance Creeks. 
31. Notropis umbratilis fasciolaris, siibsp. nov. 
Everywhere abundant. 
A comparison of these specimens with others from the Roanoke River (ardens), 
the Pamlico and Neuse the Wabash in Indiana {cyanocejghalus), various 
streams in Illinois {atripes), and the Arkansas River (umbratilis), has shown the im- 
possibility of recognizing any of these forms as distinct species. Matutinus is smaller 
and paler than ardens, and shows less brilliant coloratiou, these differences being 
apparently dependent ux)on the slnggish character of the streams which it inhabits, 
with their frequent sandy stretches. The resemblance between specimens from the 
Roanoke and the Tennessee is very close. Both have larger mouth and eye, more 
brilliant coloration, and more elongate form than in specimens from the north and 
west. Our specimens from the Tennessee, however, average distinctly deeper than 
typical ardens, and are further characterized by the presence, in males, of several 
(5 to 8) dark steel-blue, vertical bars, irregular in position and shape. This form I 
here distinguish provisionally as subspecies fasciolaris. In Tennessee and Kentucky 
it undoubtedly passes insensibly into the form common in tributaries of the Ohio and 
Mississippi {cyanocephalus, atripes), which shows usually an evidently deeper body, 
a smaller eye, and a tendency to the accumulation of black pigment in the tips of the 
ventrals and the anterior rays of the dorsal and anal. Typical umbratilis from Kan- 
sas and Arkansas appears very distinct from the more easterly form. It has the larger 
eye of fasciolaris, a very deep body, and adult males have all the fins largely black 
and the sides uniform dusky. Furthermore, the black spot at the base of the anterior 
dorsal rays, so characteristic of related forms, is here indistinct or wanting. In Iowa 
and Missouri, however, umbratilis appears to pass imperceptibly into cyanoeephalus, 
some specimens lacking the dorsal spot, while others from the same locality, and not 
otherwise differing, have it well developed. 
I have thought it best, therefore, to consider all these forms as poorly defined 
varieties of a single widespread species, which may stand provisionally as N. umbra- 
tilis umbratilis, N. umbratilis cyanoeephalus, V. umbratilis fasciolaris, N. umbratilis 
ardens, and N. timbratilis matutinus. East of the Alleghanies the species has not 
been recorded north of the Roanoke nor south of the Neuse, and is not known from 
the Gulf States south of the Tennessee and Arkansas basins. 
Rafinesque’s Semotilus diplcemius, so long identified with this species, is evidently 
Semotilus atromaculatus, as a synonym of which it must appear. 
32. Notropis micropteryx Cope. 
A few specimens taken in Shoal Creek, near Florence, Ala. 
33. Ericymba buccata Cope. 
Not abnndant in Cypress Creek. 
