144 BULLETIN OF THE 



18. Haliaetus leucocephalus. Common. 



19. Circus cyaneus, var. hudsonius. A single individual seen. 



STRIGIDiE. 

 20.? Otus " Wilsonianus." An owl was beard at one of our camps on 

 the Solomon, supposed to be of this species. 



21. Athene hypogaea. Several were seen just at nightfall near Buffalo 

 Station. Said to be more or less frequently observed in mild weather 

 throughout the winter. 



MELEAGRIDJE. 



22. Meleagris gallopavo. Said to be common on the streams as far 

 west as the timber extends. 



TETRAONIDJ3. 



23. Cupidonia cupido. A few occur as far west as Coyote, where 

 they have recently made their appearance from the east. 



24. Pedicecetes phasianellus, var. columbianus. Common along 



the streams. 



PERDICID^. 



25. Ortyx virginianus. Not yet common west of Fort Hays, though 

 said to have been observed at Coyote. 



IV. List of Birds observed at C/tri/enne, Wyoming Territory, from 

 August 1G to August 28, 1S71 ; with Annotations. 



Cheyenne, from its situation in the midst of the Plains, form- a 

 locality possessing peculiar interest ornithologically. Its elevation 

 above the level of the sea is said to be G,041 feet. The nearest timber 

 is twenty miles distant, but along the bed of Crow Creek — a small 

 stream near the town, consisting, at this season, of little more than a 

 chain of slight pools — were scattered clumps of rosebushes and low- 

 willows. The latter were rarely more than three to six feet in height, 

 grew very much scattered, and were nearly destitute of foliage, their 

 leaves having been devoured by cattle. Although but forty-one species 

 were obtained or observed here, it is probable that even a number con- 

 siderably less than tins would include all that regularly breed here. 

 The abundance of the Tyrannidce found here at this season is one of 

 the most interesting ornithological features of the locality, since they 

 would hardly be expected in very great number or variety at points so 

 remote from timber, xllthough tin' greater part were young bird-, and 

 may have come from woodlands, probably the greater number and per- 



