Si Ee BE et a ra Cae ee emi eee il 
SOME UNITED STATES BIRDS, NEW TO SCIENCE. 329 
coverts, no maxillary stripe (no markings whatever about the head 
excepting some vague speckling on the cheeks), and the under- 
parts obscurely marked with large dark gray spots on a pale gray 
ground, producing an appearance of clouding or marbling rather 
than speckling. The true curvirostris inhabits Mexico; the Ari- 
zona representative constitutes a variety (Palmeri. Fig. 68). I 
Fig. 68, 
if 
Palmer’s variety of the Curved-billed Mocking-thrush (natural size). 
described it accurately in the Key, p. 351, from Lt. Bendire’s 
specimens, adopting Mr. Ridgway’s then unpublished name, “ Pal- 
meri,” Its habits appear to be the same as those of crissalis; both 
birds build in cactus and other low bushes, and their eggs are of 
the same size. The egg of Palmer’s thrush, however, is not like 
Fig. 69. ; 
T 
Bendire’s Mocking-thrush (natural size). 
that of the crissal thrush in color, being dull pale greenish, 
Speckled evenly all over with brownish-red. 
Besides all the foregoing, there is another kind of mocking 
arush in Arizona, hitherto unknown to naturalists. Soon after I 
Teceived my first specimens of var. Palmeri, Lt. Bendire sent me a 
bird I could not make out at all; and not having then specially 
Studied these birds, I sent it to Mr. Ridgway, asking him to look 
Over the Smithsonian series and see what it was. He promptly 
