674 



GEOLOGICAL SURVEY OF THE TERRTTORIES. 



Fork ; it was in the hollow of a small tree that had broken off about 

 ten feet high aud still rested against its stump. The nest contained live 

 youug birds, and was composed of small sticks laid loosely together. 

 The parent-birds were greatly incensed at my approach, and darted about 

 my head in an angry manner. 



Family 8. — MoTACiLLiD^iiij the Wagtails. 

 Antlms ludovicinus, Licht., (tit-lark :) 



Hah. — North America generally j Greenland, (Reinhardt.) Accidental 

 in Europe. 



We met with this bird only on Snake Eiver and in the vicinity of 

 Jackson's Lake; there we found a few flocks of from ten to fifty. . 



Family 9. — Sylvicolid^, the Wood-Warblees. 

 Geothlypis trichas, Cab., (Maryland yellow-throat :) 



HaJ). — North America, from Atlantic to Pficiflc. 



This little warbler is quite abundant at Ogdeu, Utah, and also on the 

 Madison River, and at Fort Ellis, Montana Territory ; I saw none else- 

 where. I obtained the nest of this bird at Ogdeu — No. 44, (10308) 2 ; 

 No. 83, (61601,) shot. It was found in a clump of bushes in a marsb, 

 about six inches above the ground, and was composed of dried grass 

 and rushes ; it contained four fresh eggs. 



Icteria longicauda, Lawr., (long-tailed chat :) 



No. 



20 



37 



44 



113 



129 

 30 



Date. 



June 7,1872 

 June 9, 1872 

 Juno 11, 1872 

 June 20, 1872 

 June 28, 1872 

 June 8, 1872 



Locality. 



Ogdeu, Utah. 



Do. 



Do. 



Do. 

 Devil's Creek, Idaho. 

 Ogdeu, Utah. 



Hob. — High central plains of the United States to the Pacific ; south 

 into Mexico. 

 The long-tailed chat is a common bird in the scrub-oak bushes at the 



