FISHES OF THE MISSOURI RIVER BASIN. 



353 



1858. Charles Girard. The fishes [of the Pacific Railroad Surveys] ; Pacific 

 Railroad Report, vol. x, 1-400, numerous plates, 1858; vol. vi, part IV, 

 No. 1, 9-34, 11 plates. 



The reports of the Pacific Railroad Survey credit but 23 nominal 

 species to the Missouri Basin. 



1859. 



Charles Gihard. Ichthyological Notices. <Proc. Ac. Nat. Sci. Phila. 1859, 

 100-101. 



Iii these "notices "Dr. Girard described as new two species of darters 

 from the Missouri Basin, viz : In Notice xxxvn, p. 103, Boleichthys exilis, 

 obtained by Dr. George Suckley in the Little Muddy River, and in 

 Notice xl, p. 101, Boleichthys warreni (= Boleichthys exilis), obtained 

 by Dr. F. V. Hayden in the Cannon Ball River September, 1856. The 

 Cannon Ball flows into the Missouri just below Bismarck, N. Dak., in 

 long. 100° 30', hit. 40° 30'. The stream called Little Muddy River is 

 probably near Bismarck. 

 F. e. 94 23 



