OF THE UPPER MISSOURI. 161 
DENDROICA PENNSYLVANICA, Baird. 
CHESTNUT-SIDED WARBLER. Baird, General Report on Birds, p. 279. 
Observed only at the mouth of the Platte, and is, I think, quite rare. But one specimen 
was taken. 
DENDROICA STRIATA, Baird. 
Buack Porn Warsier. Baird, General Report on Birds, p. 280. 
Abundant along the wooded bottoms and on the islands of the Lower Missouri, below 
Fort Pierre. 
DENDROICA ASTIVA, Baird. 
YELLOW WarBxLER. Baird, General Report on Birds, p. 282. 
Distributed throughout the valleys of the Missouri and its tributaries. Very abundant. 
Fifteen specimens were collected. 
DENDROICA MACULOSA, Baird. . 
Buack AND YELLOW WARBLER. Baird, General Report on Birds, p. 284. 
The whole series of Warblers seem to be peculiar to the wooded margins of streams, 
and are usually quite abundant during the months of May and June. 
SETOPHAGA RUTICILLA, Sw. 
RepsTarT. Baird, General Report on Birds, p. 297. 
This beautiful little species is not uncommon along the wooded bottoms of the Missouri 
and its tributaries, though most abundant on the Lower Missouri. Its range is over the 
Eastern United States to the Rocky mountains, south and west to Fort Bridger. 
PyranGa Lupovictana, Bonap. 
LoutstANA TANAGER. Baird, General Report on Birds, p. 303. 
But two specimens of this species were obtained, and these were from the Black hills 
and Laramie peak. Dr. Cooper collected it near Fort Laramie. It ranges from the Black 
hills to the Pacific, and south to Mexico. 
HiruNpDO HORREORUM, Barton. 
Barn Swattow. Baird, General Report on Birds, p. 308. 
Builds its nests on the vertical sides of the bluffs along the Missouri, in countless num- 
bers. 
HIRUNDO LUNIFRONS, Say. 
Cuirr Swattow. Baird, General Report on Birds, p. 309. 
This species is very abundant along the Missouri, often covering the vertical sides of the 
river bluffs with their nests. Near the mouth of the Niobrara river, the chalk bluffs, and 
YOL. xlI.—21 
