together by means of strips of bark, grasses, fibers, hair and string. It 
is said that the female does all the work of nest building whi4e the male 
stays near by watching the process and encouraging her with his song. 
After U. S. Biological Survey. 
The Baltimore .orioles feed largely upon tent caterpillars, which 
amount to 34 per cent, of their summer food. They sometimes eat a 
little fruit which they take in a way of variety from their usual diet of 
injurious insects. This, however, is only a small compensation for the 
great amount of good which the oriole does. 
GOLDFINCH— (vS'/'mw^ tristis.^ 
Male, bright yellow; cap, wings and tail black, the latter two marked 
with white. 
Female, upper parts grayish brown, with an olive tinge; wings and 
tail as in the male, but more dusky and white markings less distinct; 
under parts whitish, washed with buffy brown and more or less tinged 
with yellow, especially on the throat. 
35 
