Brewster on a Petrel new to North America. 9 1 
perhaps three, broods in a season. June 26 I found large young out of 
the nest; July 25 I obtained a nest with three eggs;, and on September 
25 I heard young birds crying for food. They are our commonest summer 
bird, taking the place around the door of the Chippy in the East. The 
breasts of the nestlings are spotted, but they soon show traces of the 
chestnut dorsal patch. A curious prolonged, grating tsip is the only note 
of the young birds. They leave just as oregonus becomes plentiful — No- 
vember 1. There is a great difference between the eggs of the nest spoken 
of above and those of a clutch taken in June in New Mexico. Both nests 
are the ordinary “Ground Sparrow” affair. The ground color is the same 
in all the eggs, i.e. a bluish-white, but while the New Mexico eggs are very 
faintly dotted with brown — scarcely noticeable — the Colorado eggs are 
everywhere dotted with reddish spots, tending to form a wreath around 
the larger end. I would hesitate to believe the two clutches to be of 
caniceps had I not shot the birds. 
41. Spizella montana, Ridg. Tree Sparrow. — A rare migratory 
visitant in spring and fall. 
42. Spizella socialis, Bp. Chipping Sparrow. — Rare ; not nearly 
as common as the following. 
43. Spizella socialis arizonae, Coues. Arizona Chipping Sparrow. 
— Common; breeds. 
[ To be concluded.'] 
CRITICAL NOTES ON A PETREL NEW TO NORTH 
AMERICA. 
BY WIRLIAM BREWSTER. 
Some months since, while passing the natural history store of 
W. J. Knowlton, Tremont St., Boston, my attention was attracted 
by a mounted Petrel, which, with spread wings, hung conspic- 
uously displayed in the window. I saw at once that it was a 
species new to me and, upon entering, was greatly astonished to 
learn that it had been received only a short time before in the 
flesh , and in a comparatively fresh condition. Further inquiries 
elicited the information that it had been mounted for Mr. E. H. 
Woodman of Concord, N. H. . and upon writing to that gentle- 
man, I was very kindly put in possession of the following partic- 
ulars. The bird had been sent him by a client, Mr. Nathan F. 
Smith, who conducts a large farm at Mt. Morris, Livingston Co., 
