148 



No. of specimens. 



184. — Ster7ia frenata, G'dmhcl. The Least Tern. Texas to 



Labrador; western rivers 3 



185. — Hydrochelidon plumhea, (Wils.) The Short-tailed 

 Tern. Texas to the New Enghmd States; Missis- 

 sippi rivers and tributaries; fur countries 1 



186. — Podiceps californicus, Heermann. California Grebe. 



Western North America 2 



FISHES. 



A series of the principal fishes inhabiting the Missouri and its tribu- 

 taries, were collected and preserved in alcohol, and are now deposited 

 in the museum of the Smithsonian Institution. A portion are still 

 undescribed, and of those already determined. Dr. Girad has very 

 kindly furnished me the following- list: 



1. Sfizostedionboreus, Grd. Fort Union, Mo. 



2. Gasterosteus inconstans, Kirtl. Yellowstone river. 



3. AmUodon grunniens, Rafin. Milk river. 



4. Pimelodus olivaceus, Grd. Yellowstone river. 

 ■5. Noturusflavus, Rafin. Yellowstone river. 



'6. Carpiodes damalis, Grd. Fort Pierre. 



7. Ptychostomus Haydeni, Grd. Yellowstone river. 



8. Acoimis griseus, Grd. Platte river. 



9. Acoimis lactarius, Grd. Milk river. 



10. Catostomus Sucklii, Grd. Milk river. 



11. Pimeplmles fasciatus, Grd. Milk river. 



12. Hyhognatlms argyritis, Grd. Milk river. 



13. Hyhognatlms Evansi, Grd. Fort Pierre. 



14. Argyreus didcis, Grd. Sweet water. 



15. Pogonichthys communis, Grd. Milk river. 



16. Gobio gelidus, Grd. JNIilk river. 



17. Leucosomus dissimiUs, Grd. Milk river. 



18. Leucosomus macrocepJialus, Grd. Fort Pierre. 



19. Nocornis nebrascensis, Grd. Sweet water. 



20. SemotUus speciosus, Grd. Platte river. 



21. Plargyrus boivmani, Grd. Sweet water. 



22. Myodon iergism, Lesu. Fort Sarpy, Yellowstone. 



23. Scaphirhynchus pJcdyrJiynchus, Baird. Upper Mo. 



24. Polyod on folium, Lacep. Fort Pierre. 



REPTILES. 



A large collection of reptiles was made from all parts of the upper 

 Missouri, and it is probable that the following list represents quite 

 fully that portion of the Nebraska fauna. The species have been 



