50 THE CONDOR . . Vol. ae 
and parent birds were collected. An examination of the birds showed that no 
additional eggs would have been laid. | 
One or both birds were present and remained nearby on each of the visits 
to the nest, and though quite tame and fearless evinced no special solicitude 
while it was being examined and finally taken. On the first and last visits it 
required an unusual amount of hammering on the tree trunk to cause the bird 
to vacate the nest. 
The nest proper was placed on a foundation of small spruce twigs which 
had found lodgment or been placed behind the gaping section of bark where 
there were a number of small bunches of spiders’ web. The nest itself. was 
composed of fine, shredded, inner bark fiber and occasional flake-like chips of 
[SE ——— * 
Fig. 12. NESTING SITE OF ROCKY MOUNTAIN Fig. 13. HEGGs AND NEST OF ROCKY MOUNTAIN 
CREEPER, NEAR ALICE, COLORADO. CREEPER, 
the same material, with a few small fluffy feathers matted to the inside surface 
of the cup. (See fig. 14.) 
The extreme dimensions of the nest, including foundation, are: Top to - 
bottom, 7 inches; width, 5 inches. While the nest itself was 3 inches deep and 
4 inches broad in one direction, the restrictions due to its location confined it ~~ 
{o a breadth of 114 inches in the other direction. In fact, so limited was the 
space that the bark itself comprised one side of the cup, the latter being 144 by 
2 inches at the rim and 114 inches deep. 
The eggs are white, sparsely dotted with rufous (Chapman’s color chart) 
over the entire surface, more heavily marked with spots and dots of the same 
