BULLETIN 
OF THE 
NUTTALL ORNITHOLOGICAL CLUB. 
VOL. VI. APRIL, l88l. No. 2. 
NOTES ON SOME BIRDS FROM ARIZONA AND NEW 
MEXICO, WITH A DESCRIPTION OF A SUPPOSED 
NEW WHIP-POOR-WILL. 
BY WILLIAM BREWSTER. 
At different times during the past year Mr. F. Stephens has sent 
me small collections of birds made at various points in southern Ari- 
zona and just within the western boundaries of New Mexico. As 
many of the species are as yet but little known, 1 take an early 
opportunity of announcing the capture of these additional speci- 
mens, and of presenting some brief but interesting field-notes 
which have been kindly furnished by Mr. Stephens. A critical 
study of one or two of the rarer species has suggested some 
original comments which are also offered in this connection ; 
but certain developments affecting the genus Polioptila , which 
have been unavoidedly crowded out, will be found elsewhere 
in the present number of the Bulletin. 
i. Harporhynchus bendirei, Coues. Arizona Thrash- 
er. — -Mr. Stephens sends me two specimens of this interesting 
Thrasher, both males, and both from the neighborhood of Tuc- 
son, where* the bird seems to be common but very locally distrib- 
uted. These specimens are in freshly-assumed, perfect spring 
plumage, a condition which does not appear to have been previ- 
ously examined, the original types in the Smithsonian collection 
being in “worn summer dress,” and the three individuals taken 
