EGGS OF NORTH AMERICAN BIRDS. 99 



514. Evening Grosbeak, Coccothraustes vespertina. Eggs, 

 unknown. Breeds in Western North America in the moun- 

 tains from Arizona north into the fur countries. 



515. Pine Grosbeak, Pinicola enucleator. Eggs, 3 or 4, 

 oval, greenish drab, spotted and blotched with pale purplish 

 brown, blackish brown, and dark purple ; .70 -|- 1.02 to .75 -j- 

 1.05. The large size and green color are distinguishing charac- 

 teristics. Breeds in the far north of the Northern Hemisphere. 



516. Cassin's Bulfinch, Pyrrhula cassini. Eggs, proba- 

 bly not unlike those of the common bulfinch, which are pale 

 blue with violet spots. Extralimital ; breeds in Siberia. A 

 single bird has been taken in Alaska. 



517. Purple Finch, Carpodacus purpureiis. Eggs, 4 or 5, 

 rarely 6, briglit greenish blue, spotted and scrawled witli lilac 

 and black ; .53 -|- •72 to .62 -|- .80. Resemble those of No. 

 500, but larger. Nests placed in trees, often in cedars, com- 

 posed of weed stalks and twigs, lined with rootlets, grass, and 

 hair. Breeds in Eastern North America, west to the plains, 

 from the Middle States northward, in May and June ; and 

 often a second set is laid in July. 



517a. California Purple Finch, Carpodacus pttrpureus 

 californicus. Eggs and nests scarcely different from those of 

 No. 517 ; the spottings on the eggs, however, frequently form 

 a ring around the larger end. Breeds in the Pacific coast 

 region, from British Columbia south to Southern California, 

 in May. 



518. Cassin's Purple Finch, Carpodacus cassini. Eggs, 

 4 or 5, pointed oval, bluish green, spotted and dotted on the 

 larger end with slate-lilac and blackish brown ; .60 -\- .86. 

 Nests not dissimilar to those of No. 517. Breeds in Western 

 United States, from the eastern base of the Rocky Mountains 

 to the Pacific coast, in May. 



519. House Finch, Carpodacrcs mexicamis frontalis. 

 (Type, Plate VIII.) Eggs, 4 to 6, oblong oval, pale bluish 

 green, sparingly dotted and lined with dark brown and black; 



