EGGS OF NORTH AMERICAN BIRDS. I39 



composed of grass, leaves, etc. Extralimitul ; breeds in Alaska 

 aud Northera Siberia, south to China. 



697. American Pipit, Anthiis pensilvanicus. Eggs, 4 to 6, 

 oval, light brown, thickly spotted with chocolate brown ; .62 

 -\- .75 to .64 -f- -78. Breeds in North iVmerica, north of the 

 United States, and southward along the higher parts of the 

 Kocky Mountains, in June. 



698. Meadow Pipit, Anthus praiensis. Eggs, 5 or 6, oval, 

 reddish brown, mottled thickly with darker brown ; .58 -f- .78 

 to .69 -(- .80. Breeds in Europe. Bird accidental in Green- 

 land, thus is extraliraital. 



699. Red-throated Pipit, Ayithus cervinus. Eggs, un- 

 known to me, Extralimital ; occurs in northern parts of the 

 Old World. Bird accidental in Lower California. 



700. Sprague's Pipit, A?ithus spragueii. Eggs, 4 or 5, 

 oval, dull white, minutely dotted with grayish purj^le ; .60 -j- 

 .85 to .63 -f .87. Breeds in the interior plains of North 

 America, from Central Dakota northward to the Saskatchewan 

 district, and from the Red River westward, in June. 



Family LVIII. — CINCLTD^. Dippers. 



Eggs, white, unspotted, deposited in nests that are globular 

 in shape, and placed on the banks of streams. 



701. American Dipper, Cinclus mexicaniis. Eggs, 3 or 

 4, oval, white ; .65 -f- 1.00 to .70 -|- 1.04. Nests composed 

 of moss, grass, and roots, globular in form. Breeds in the 

 mountainous parts of Central and Western North America, 

 from the Yukon Valley and Unalaska southward, east in the 

 United States to the eastern base of the Rocky Mountains, in 

 April and May. 



Family LIX. — TROGLODYTID^. Wrens, 



Thrashers, Etc. 

 Eggs, extremely variable in color and number, deposited in 

 nests that are also variable in structure and in situations in 

 which they are placed. 



