MUSEUM OF COMPARATIVE ZOOLOGY. 91 
notch, bordered above by a narrow silvery line. Scales punctulate with 
brown. 
Parras, Dr. Palmer. 
Cyprinella rubripinna sp. nov. 
D. 2--8; A. 9--11; V. 8 (7-8); P. 13; L. lat. 38; L. trans. 7 4-1 4- 3. 
Height two and two thirds and length of head four and one half times in 
length of body, exclusive of caudal, Body much compressed. Head small. 
Snout shorter than diameter of eye. Maxillary not reaching a vertical from 
the edge of the orbit, Outline quite convex from dorsal to back of head. 
Caudal notch equal to about half the length of the free portion of the fin. A 
vertical from the anterior extremity of the base of the dorsal falls near the mid- 
dle of the space between the bases of ventrals and anal. Ventrals reaching 
the anal Pectorals not reaching the ventrals. Total length of largest 27, 
height 7 inches, The shape of a scale on the flanks is a nearly perfect loz- 
enge, the width of one being equal to the length of three. 
Back dark to light reddish brown, commonly brown. Dorsal fin dark 
brown. Sides flesh to rose color. Checks silvery. Pectorals, ventrals, and 
anal salmon color. A narrow band of brownish from the nape to the bases of 
the pectorals. First ray of the pectorals dark brown. Top of head lighter. 
Caudal fin reddish. Belly and sides more or less silvery. Young with sides 
and belly silver and back somewhat flesh-colored. 
Near Parras, Dr. Palmer. 
Gila conspersa sp. nov. 
D. 3--8 (9); A. 34-8 (9) ; V. 1 4-7 (8); P. 16; L.lat. 68 to 70; L. trans. 
13 4-1 4-9. 
Teeth 4.1 — 1.4, clawed. 
Length of head or height of body three and three fourths times in the total 
length, without caudal. Body rather thick, considerably arched in front of 
the dorsal, moderate posteriorly. Outline of the top of the head concave. 
Maxillary reaching a vertical from the anterior edge of the orbit. Distance 
from eye to end of snout more than diameter of orbit. The distance to the eye 
from the first ray of the dorsal is equal to that from the same point to the cau- 
dal fin. Caudal notch rather less than half the length of the free portion. Base 
of dorsal above the free portion of the ventrals. Pectorals extending about 
three fourths of the distance to the latter, which extend to the vent. Scales 
rounded posteriorly. Proportions and shape similar to those of C. gibbosa. 
Back and top of head brown; belly lighter ; cheeks silvery. Scales of 
back and flanks sprinkled with small spots of brown. An indistinctly out- 
lined band of dark above the lateral line on the posterior half of the body. 
Nazas River. 
