128 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY — III. 

 Measurements of three specimens of Myxostoma anixura. 



in:-- 



1 l-liu 



12:94. 



Length, inches 2^ 



Depth ^8 



Length of luad . H 



Width of interorbital area OS 



Leugtii of snout | . 07^ 



Eve I .05 



Length of base of dorsal [ . If)^ 



Height of h)ngest ray of dorsal .22 



Height of last ray of dorsal 10 



Length of upper caudal lobe 31 



Length of lower caudal lobe .20 



Length of middle caudal rays 13 



Dorsal rays 2,13 



Scales G-40-.') 



2,12 

 ()-4.--n 



31 



2,13 



It is perhaps barely possible tbut this fish is the male of aiireolum 

 at a certaiu age, but it seems to me decidedly improbable. The resem- 

 blance between the two is, however, very strong, and, except for the 

 fins, they could hardly be distinguished. 



Specimens in United States National Museum. 



Naniber. 



10788 

 1110.5 

 11107 

 11108 



Locality. 



Sandusky, Ohio.. 

 Cincinnati, Ohio. 

 Cincinnati, Ohio . 

 Cincinnati, Ohio . 



Collector. 



J. W. Milncr. 

 J. W. Milncr. 

 J. \V. Milner. 

 J. W. Milncr. 



10. MYXOSTO:\IA PCECILURA Jordan. 

 Tariegnted-tailcd Red Horse. 

 li^l—MyjoHloma pcrcilnra .Jdudan, Bull. U. S. Nat. Mus. x, GO, 1877. 

 Myxostoma pcccihira JoKDAX, Man. Vert. ed. 2d, 315, 1878. 

 Habitat. — Tangipahoa River, Southeastern Louisiana. 



This singular species is known only from two specimens in the United 

 States National Mu.seuin, recently colU'cted by Mr. Fred. ^Iati)cr, of 

 tlio United States Fish Commission. Whetlier the ju'culiar form and 

 coloration of tlic c;ni(hil is general or is conlincd to the male se.\ is not 

 certain. In :in> txcnt, it will serve to sharply distinguish this s[)ecies 

 from all the others now known. In other respects, it most approaches 

 M. maerolciiidotum lachri/maU: 



i 



