GEOLOGICAL SURVEY OF THE TERRITORIES. 



705 



above the groimd, and was composed of dry grass, lined with finer stalks 

 of the same. Its measurements were as follows: Depth, outside, 5.50 

 inches; inside, 2 inches: diameter, outside, 3.75 inches; inside, 3 inches. 



Turdus auduhonii, Baird, (Audubon's thrush :) 



This nest was situated in a small pine-tree about eight feet from the 

 ground, iu the pine regions of the mountains. ISTest bulky, deeply saucer- 

 shaped, measuring G inches in external diameter by 3 in depth; cavity, 

 3 inches broad by about 1.75 deep. Composed of green moss and lined 

 with line grass-leaves. Eggs, three in number, broadly ovate, obtuse; 

 measurement, .85 inch in length by .72 in breadth ; their color is a rather 

 deep greenish blue, exactly like those of T. migratorius. 



Galcoscoptes caroUnensis, Gray, (cat-bird :) 



See page — . 



Oreoscoptes montanuSj Baird, (mountain mocking-bird :) 



See page — . 



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

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



See page — . 



45 G s 



