16 EGG CHECK LIST OF NORTH AMERICAN BIRDS. 
155. White-bellied Swallow—racnyciNETA BICOLOR. White, unspot- 
ted, oblong-oval; four to nine; .81 by .53, v7. Nests in the old excava- 
tions of woodpeckers or natural cavities of dead trees, usually in the 
vicinity of water. ics 
156. Violet-green Swallow—TACHYCINETA THALASSINA. Pure white; 
four to six; .80 by .50. Nesting habits same as those of the preceding 
species. Rocky Mountains to P. C. 
157. Bank Swallow—coriLE RIpARIA. White; four to six; oval; .72 
by .47. Nests in holes dug near the level of the ground in the perpen- 
dicular face of a bank. N. A. 
158. Rough-winged Swallow—sTELGIDOPTERYX SERRIPENNIS. Immac- 
ulate white; five or six; .75 by .53. Nests in crevices between stones in 
walls and arches of bridges, usually over running water. ws: 
161. Scarlet Tanager—pyRANGA RUBRA. Greenish-blue, blotched and- 
spotted with a reddish or rufous-brown, more or less confluent, in some 
chiefly at the greater end; two to five; .go by .65. Nests placed in 
forest trees. ES WaSt 
162. \ Western Tanager 
PYRANGA LUDOVICIANA. Light bluish-green, 
speckled chiefly at the greater end with markings of umber, intermingled 
with a few dots of lilac; three or four; .95 by .65- Nests in trces. 
W. Wages: 
136. Hepatic Tanager—pyRANGA HEPATICA. Pale light-green, some. 
sparingly marked over the entire egg with large blotches of purplish- 
brown, others are thickly covered with dottings of the same hue; .go by 
.78,v. Nests and eggs said to resemble those of the Summer Redbird. 
Arizona. 
164. Summer Redbird—pyranca astiva. Bright light emerald-green, 
spotted, marbled, dotted and blotched with various shades of lilac, 
brownish-purple, and dark brown; three; .go by .68, v. Nests in trees. 
(See notes. ) Sc Saeeee 
166. Pine Grosbeak—PpINICOLA ENUCLEATOR. Light slate colored ground 
with a marked tinge of greenish, broadly marked and plashed with faint, 
subdued cloudy patches of brownish-purple and sparingly spotted, chiefly 
at the larger end with blackish-brown and dark purple; three or four; 1.02 
by .70. Nests in bushes. B. A. 
168. Purple Finch—carpropscus PuRPUREUS. Pale emerald-green, 
spotted with very dark brown, chicfly about the greater end; four to six; 
-75 by .62. Nests in firs, spruces and cedar-trees. Us: 
