1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 1 1 



Amiurus ohesus, Gill, also from Kansas. It differs from A. nehidosus in 

 the much shorter pectoral spines, as well as in the shorter anal. 



3. Ictalurus punctatus, Eafinesquo. 



4. Ictiobus velifer, Ratiuesque. 



5. CatoBtomus teres, Mitchill. 



6. Hybognathus nuchalis, Agassiz. 



A single dusky specimen, similar to that taken in the Des Moines. 



7. Pimephales promelas, Rafinesque. 



Many specimens taken in the quarry. They exhibit much variation 

 in form and coloration, depending on age and sex. Some of them have 

 the lateral line complete, thus corresponding to Hj/horhynchus nigelltis, 

 Cope ( S ), and Ryborliynchus confertus, Grd. ( 9 ), while others have the 

 tubes as little developed as usual in Eastern examples. 



Most of the Kansas specimens of this species examined by us have 

 the lateral line complete, or nearly so, while those from farther East 

 have it always incomi^lete. The former possibly represent a tangible 

 subspecies {confertus). 



8. Pimephales notatus, Rafinesque. 



9. Notropis deliciosus, Girard. 



10. Notropis topeka, Gilbert. 



{CUola topeka, Gilbert, Bull. Washburn Soc. Nat. Hist., 1884.) 



Our specimens are identical with Professor Gilbert's original types, 

 with which .they have been compared. 



Males, in life, greenish, with bluish reflections and a bluish lateral 

 stripe ; a dark dorsal streak ; scales above edged with darker. Snout, 

 iris, cheeks, opercles, and sides flushed with red. Fins all bright 

 crimson. 



Female similar, the fins pale, a small blackish spot at base of caudal. 



Teeth, 4-4; lat. 1. 35; anal rays, 8; dei)th, 4 in length ; eye, 3^ in head j 

 18 scales before dorsal,. 



Numerous specimens taken in the quarry. 



11. Notropis lutrensis, Baird &. Girard. 

 Abundant. 



12. Notropis umbratilis, Girard. 



Alburnus vmbraUlis, Girard, Proc. Ac. Nat. Sci. Phila., 1856, 193. ( 9 )• 

 Notropis nigrijnnuis, Gilbert, Bull. Washburn Soc. Nat. Hist., 1884. 



Our specimens are identical with the original types of N. umbratilis, 

 as we have ascertained by direct comparison. 



The types of N. nigrifpinnis are larger in size than any of our speci- 

 mens or any of Girard's. They are also deeper in body and with blacker 

 fins. 



As, however, we find the differences due to age and sex considerable 

 in our specimens, we have no doubt of the identity of nigrvpinnis with 



