MYXOSTOMA CERVINUM. 129 



Specimens in United States National Museum. 



11. MYXOSTOMA ALBIDUM {Girard) Jordan. 



Small-scaled Red Horse. 



18.'6 — Ptycliostomus alhidns Giuard, Proc. Ac. Nat. Sci. Pbila. 172. 



Ptyclwstonms alhidus Giraud, U. S. Mex. Bound. Surv. Ichth. 36, pi. xis, f. 5-8, 



1859. 

 Teretulus alhidus Jordan & Copeland, Check List, 157, 1876. (Name only.) 

 Myxosioma alhidum Jordan, Man. Vert. E. U. S. 315, 1878. 

 Habitat. — Rio San Juan, near Monterey, New Leon, in Mexico. 



This species is known ouly from Girard's figure and description. Xo 

 account of the lips is given, but the mouth is said to be a "great deal 

 larger" than in M. congestum. The descrii)tion is trivial, but the figure, 

 if at all correct, represents a species quite unlike our other members of 

 the genus ; the chief character being the much smaller size of the scales, 

 which in the description are merely stated to be " smaller than in con- 

 gcstus^\ The species may possibly belong to some section of the genus 

 other than the one in which it is here placed. The Original types. No. 

 170, U. S. Nat. Museum, from Eio San Juan, near Monterey, New Leon, 

 are no longer to be found. 



12. MYXOSTOMA CERVINUM {Cope) Jordan. 



Jump-rocks. Jumping Mullet. 

 1868 — Teretulus cervimis Cope, Journ. Ac. Nat. Sci. Phila. 236. 



Ptycliostomus cervimis Cope, Proc. Am. Philos. Soc. Phila. 47!^, 1870. 

 Moxostoma cervinum Jordan, Man. Vert. 296, 187G. • 



Teretulus cervinus Jordan & Copeland, Check List, 157, 1B7G. (Name only.) 

 Myxostoma cervinum Jordan, Ann. Lye. Nat. Hist. N. Y. xi, 365, 1877. 

 Myxostoma cervinum Jordan, Man. Vert. E. U. S. ed. 2d, 315, 1878. 

 1868 — Catostomus duquesnii Guntiier, Cat. Fishes Brit. Mus. vii, 483. (Not of Le 

 Sueur, nor ot p. 18.) 



Habitat. — Rivers of the South Atlantic States, from the James to the Chattahoochee. 



This is a strongly marked and very abundant species, the smallest of 

 its genus, and one of the smallest of the Catostomida\ It occurs in the 



*Two specimens, types of the species. 

 Bull. N. M. No. 12—9 



