546 NORTH AMERICAN BIRDS. 
a?, Tarsus shorter than exposed culmen; gonys longer than middle toe, without 
claw; tail exceeding wing by more than length of tarsus; lower parts with- 
out trace of spots or streaks. (Subgenus Harporhynchus.) 
b'. Lower tail-coverts light fulvous or ochraceous. 
ce, Tarsus 1.50, or more; middle toe .95, or more; tail only slightly darker 
than back ; iowa parts dull ochraceous buffy, becoming more ful- 
vous on ander tail-coverts, and buffy whitish on throat, the breast, 
etc., shaded with grayish brown; ear-coverts dusky, with distinct 
whitish shaft-streaks; no distinct lighter malar streak nor darker 
streak along sides of throat; upper parts deep grayish brown, the 
tail somewhat darker and browner; length about 11.50-13.00, wing 
3.90-4.30 (4.13), tail 4.90-5.80 (5.34), culmen 1.35-1.75 (1.56), tarsus 
1.40-1.60 (1.50), middle toe .95-1.12 (1.01). Hggs 1.20 x .85, light 
greenish blue, speckled with clove-brown. Hab. Coast district of 
California, south along Pacific coast of Lower California. 
710. H. redivivus (Gams.). Californian Thrasher. 
c. Tarsus much less than 1.50, middle toe less than .95; tail much darker 
than back (but scarcely browner); lower parts pale brownish gray, 
becoming dull white on chin, throat, and belly, the under tail-coverts 
ochraceous-buff, in marked contrast; ear-coverts light brownish 
gray, without distinct streaks; a distinct malar stripe of whitish, 
narrowly barred with dusky, bordered below by a distinct dusky 
streak along each side of throat; upper parts plain delicate light 
grayish brown or brownish gray, the tail dusky, in marked con- 
trast. Young: Similar to adult, but upper tail-coverts more rusty, 
and ochraceous of posterior lower parts paler. Length about 10.50- 
11.00, wing 3.70-3.90, tail 4.57-5.20, culmen ‘1.08-1.35, tarsus 1.12- 
1.25, middle toe .80-.88. West very bulky, composed of thorny twigs, 
and placed in bushes. Eggs 1.07 X .76, pale bluish green or green- 
ish blue, minutely (usually rather sparsely) speckled with reddish 
brown. Hab. Valleys of Gila and lower Colorado rivers, and 
south into Sonora.. 711. H. lecontei (Lawr.). Leconte’s Thrasher. 
6°. Lower tail-coverts deep rusty cinnamon, or chestnut. 
Adult: Above plain brownish gray or grayish brown, the tail darker; 
beneath similar, but paler, the chin and throat nearly white, and 
the under tail-coverts deep rusty cinnamon or chestnut; a whitish 
malar stripe, and beneath it a dusky streak along each side of 
throat. Young: Similar to adult, but more tinged with rusty 
above, especially on rump and tips of tail-feathers, and lower parts 
more fulvous. Length about 11.40-12.60, wing 3.90--4.10 (4.02), tail 
4,80--6.40 (5.67), exposed culmen 1.20-1.50 (1.39), bill from nostril 
1.02-1.25 (1.14), tarsus 1.28-1.30 (1.29). Hggs 1.07 x .75, plain pale 
greenish blue. Hab. New Mexico, Arizona, southern Utah, south- 
eastern California, and northern Lower California. 
712. H. crissalis (Hznry). Crissal Thrasher. 
