308 SMITHSONIAN MISCELLANEOUS COLLECTIONS [voL. 48 
Dace is a name given in the United States to many different 
Cyprinids, but in the vicinity of Washington and many other places 
it is applied to the species of Rhinichthys, another genus peculiar to 
America and not very nearly related to any other. The name is 
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WAN 
Fie. 53.—Rhinichthys dulcis. After Jordan and Evermann. 
often extended into black-nosed dace. The few species are distin- 
guished by a projecting snout, inferior mouth, dark color, and 
generally a darker longitudinal lateral stripe on each side; in the 
breeding season, however, the males assume a brilliant dress, becom- 
ing more or less suffused with crimson. They are active little fishes, 
preferring clear running streams, and are much used for bait for 
larger fishes. They prepare a nest.of stones for the reception of the 
eges, which is taken charge of by the male. 
Data respecting the habits of Rhinichthys atronasus are given by 
‘C. N. Holder in Harper’s New Monthly Magazine for December, 
1883 (Vol. 68, pp. 100-103, under the typographical misnomer 
iRhynchichthys abronasus), and by C. C. Abbott in 1884 in “A 
Fic. 54—Rhinichthys atronasus. After Storer. 
Naturalist’s Rambles about Home” (pp. 419, 420). This is a small 
species about three inches long. A larger one, about five inches 
long, has a more prominent snout and was therefore named by the 
old ichthyologists R. nasutus, but a still older name—cataracte—has 
