328 SOME UNITED STATES BIRDS, NEW TO SCIENCE. 
Mocking-thrush (H. redivtvus var. Lecontei) ; I did not think it 
necessary to make a drawing of it, because an uncolored cut would 
show precisely like fig. 66. Next comes the Red-vented, or Crissal 
Thrush (H. crissalis); also inhabiting the Colorado and Gila 
valleys. It is fully as large as redivivus or var. Lecontei, with the 
tail even longer, and the bill, if not larger, at least slenderer and 
Fig. 66. 
Californian Mocking-thrush (natural size). 
more arcuate, as shown in fig. 67. Although unspotted, and oth- 
erwise colored much like redivivus, it is immediately distinguished 
by having the under tail-coverts rich chestnut (like a cat-bird’s — 
the contrast is quite as great), and by. the presence of a sharp, 
black maxillary line bounding the definitely white throat. Lt. 
Bendire gave the first good biographical notice of this species 
Fig. 67. 
+ h fi + a] size) 
(Am. Nat. vi, 370) ; the eggs are 1-10 X +80, large, emerald green, 
— unmarked. Again, we have the Curved-billed Thrush (H. curvi- 
7 rostris) in which, notwithstanding its name, the bill is much less 
curved than in either of the last two; the shape is shown in fig. 
68. This bird is about as large as rediuivus ; its peculiarities, aside 
from the bill, are, the duller coloration, palé fulvous under tail- 
