304 



NORTH AMERICAN BIRDS EGGS. 



[White.l 



678. Connecticut Warbler. Geothlypis 



Range. Eastern United States; known to breed only in Manitoba and On- 

 tario. 



These birds have greenish upperparts and sides, yellowish underparts, and 

 an ashy gray head, neck and breast; they have a complete whitish ring about 

 the eye, this distinguishing them in any plumage from the two following 

 species. They are quite abundant in New England in fall migrations being 

 found in swampy thickets. They have been found breeding in Ontario by Wm. 

 L. Kells, the nest being on the ground in the woods among raspberry vines. It 

 was made of leaves, bark fibres, grass, rootlets and hair. The eggs are white, 

 specked with brown and neutral tints. Size .75 x .55. 



679. Mourning Warbler. Geothly pis Philadelphia. 



Range. Eastern United States, breeding from northern New England, Penn- 

 sylvania, (Philadelphia) and Nebraska northward. 



Very similar to the last but with no eye ring and a black patch 

 on the breast. The habits and nesting habits of this species are 

 very similar to those of agilis, the nest being on or very close to 

 the ground. With the exception of on mountain ranges it 

 breeds chiefly north of pur borders. The eggs are white, specked 

 with reddish brown. Size .72 x .55. They cannot be distinguish- 

 ed from those of the last. Data. Listowell, Ontario, June 5, 

 1898. Nest in a tuft of swamp grass in low ground; not very 

 neatly made of dry leaves, grasses and hair. Collector, Wm. L. Kells. 

 (Crandall collection.) 



680. Macgillivray Warbler. Geothlypis tolmiei. 



Range. Western United States from the Rockies to the Pacific, breeding 

 north to British Columbia; winters in Mexico and Central America. 



Similar to the last but with white spots on the upper and lower 

 eyelids, black lores, and the black patch on the breast mixed with 

 gray. These ground inhabiting birds are found in tangled thickets 

 and shrubbery where they nest at low elevations, from one to five 

 feet from the ground. Their nests are made of grasses and shreds 

 of bark, lined with hair and finer grasses, and the eggs are white, 

 specked, spotted and blotched .with shades of brown and neutral 

 tints; size .72 x .52. Data. Sonoma, Cal., May 17, 1897. A small nest, loosely 

 made of grasses (wild oats) lined with finer grasses; placed in blackberry vines 

 14 inches from the ground in a slough in the valley. Collector, Henry W. Car- 

 riger. (Crandall collection.) 



681. Maryland Yellow-throat. Geothlypis trichas. 



Range. Eastern United States; this species has recently been still further 

 sub-divided so that this form is supposed to be restricted to the south Atlantic 

 coast of the United States. 



The Maryland Yellow-throat is represented in all parts of the 

 United States by one of its forms. They are ground loving birds, 

 frequenting swamps and thickets where they can be located by 

 their loud, unmistakable song of "Witchery, witchery, witch." 

 They nest on or very near the ground, making their nests of 

 grass, lined with hair; these are either in hollows in the ground 

 at the foot of clumps of grass or weeds, or attached to the weed rwh 'i 

 stalks within a few inches of the ground. They lay from three to 

 five eggs in May or June; these are white, specked about the larger end with 

 reddish brown and umber, and with shell markings of stone gray. Size .70 x .50. 

 All the sub-species of this bird have the same general habits of this one and 

 their eggs cannot be distinguished from examples of the eastern form; the birds, 

 too, owing to the great differences in plumage between individuals from the 

 same place, cannot be distinguished with any degree of satisfaction except by 

 the ones who "discovered" them. 



[White.] 



