460 LAND BIRDS 
Geographical Distribution: Entire North America. 
Breeding Range: Boreal zone, chiefly north of latitude 45°, in Rocky 
Mountains, Sierra Nevada, and mountains of Arizona. 
Breeding Season: May and June. 
Nest : Bulky ; semi-pensile ; woven of shreds of bark and moss; lined 
with hair and feathers ; placed in pine or spruce tree, 15 or 20 feet 
from ground. 
Eggs: 5 or 6; buffy, lightly spotted around larger end with pale brown. 
AuTrHouGH Mr. Grinnell states that the Ruby-crowned 
Kinglet breeds “in the Boreal on the sierras south to 
San Jacinto mountains,” he does not say, as he might 
with truth, that it is rare and very hard to find. The 
nest is hung so high, usually in the branches of a tall 
spruce, that only an expert climber can hope to peep 
into one. Such was Mr. H. F. Bailey, of Santa Cruz, 
who, May 15, 1901, discovered a Kinglet carrying nest- 
ing material and watched her, although he could not at 
first see the nest. June 6, three weeks later, he climbed 
the tree in which he had seen the bird at work, and 
found the nest thirty feet up and only six or eight feet 
from the apex. “It was beautifully made, pyriform in 
shape, with the small end downward, about six inches 
long, and five inches through at the thickest part. The 
cup. was very deep and the rim very much contracted, 
inclosing a spherical space with a small opening at the 
top. The material used in construction was moss, fur, 
and silky, fibrous substances woven compactly together. 
The lining was of hair and feathers. Some of these 
latter were woven into the rim, the stems firmly secured 
and the free tips curling inward until they met, thus 
forming a curtain over the contracted opening and com- 
pletely inclosing the interior. A very warm house was 
