144 EGGS OF NORTH AMERICAN BIRDS. 



720. Guadalupe Wren, Thryoihorus hvevicaudus. Eggs, 

 undescribed. Breeds on Guadalupe Island, Lower California. 



721. House Wren,* Troglodytes aedon. Eggs, 6 or 7, oval, 

 pinkish white, spotted and dotted with reddish brown, often 

 so thickly as to cover the surface ; .50 -|- .70 to .53 -|- .75. 

 The general reddish effect is a striking peculiarity. Nests 

 placed in holes of trees, in martin boxes, crevices in buildings, 

 etc., composed of twigs, grass, etc., lined with feathers. Breeds 

 in Eastern United States and Southern Canada, west to 

 Indiana and Louisiana, in June. 



721a. Parkman's Wrejj, Troglodytes aedon parhmanii. 

 Eggs and nests, similar to those of No. 721. Breeds in West- 

 ern North America, from Texas, Illinois, Minnesota, and Mani- 

 toba, westward ; north to Great Slave Lake, south to Mexico 

 and Lower California. 



7215. Western House Wren, Troglodytes aedon aztecus. 

 Eggs, indistinguishable from those of No. 721, and the nests 

 and nesting habits are similar. Breeds in Western United 

 States, except Pacific coast, east as far as Illinois. Separated 

 by Allen in "Auk" for April, 1888. 



722. Winter Wren, Troglodytes hiemalis. Eggs, 5 to 7, 

 oval, white, rather sparsely dotted with reddish brown, the 

 markings usually being thickest on the larger end ; .45 -|- .65 

 to .48 -|- .68. The white ground color and generally sparse 

 markings are the chief characteristics. Nests, compact globes 

 of green moss, strengthened by a few twigs, with the narrow 

 entrance on the side, placed on the ground. Breeds in East- 

 ern North America, from the northern parts of the United 

 States northward, in June. 



722a. Western Winter Wren, Troglodytes hiemalis 

 pacificus. Eggs, probably indistinguishable from those of No. 

 722. Breeds on the Pacific coast, from Sitka to Southern 

 California. 



723. Alaskan Wren, Troglodytes alascensis. Eggs, 7 to 

 12, white, minutely and sparsely dotted with reddish. Nests 



