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.) 



6'. Lower tail-coverts light fulvous or ochraceous. 



c'. Tarsus 1.50, or more ; middle toe .95, or more ; tail only slightly darker 

 than back ; lower parts dull ochraceous buff}-, becoming more ful- 

 vous on under tail-coverts, and butfj- 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), cuimcn 1.35-1.75 (1.56), tarsus 

 1.40-1.60 (1.50), middle toe .95-1.12 (1.01). Eggs 1.20 X -85, light 

 greenish blue, speckled with clove-brown. Sab. Coast district of 

 California, south along Pacific coast of Lower California. 



710. H. redivivus (Game.). Californian Thrasher. 

 c'. Tai'sus much less than 1.50, middle toe less than .95 ; tiiil much darker 

 than back (but scarcely browner) ; lower parts pale brownish graj-, 

 becoming dull white on chin, throat, and belly, the under tail-coverts 

 ochraceous-buff, in marked contrast ; car-coverts light brownish 

 gray, without distinct streaks; a distinct malar stripe of whitish, 

 narrowly barred with dusky, boi'dored below by a distinct dusky 

 streak along each side of throat ; upper parts plain delicate light 

 grayish brown or brownish gray, the tail duskj*, 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. ]\^est very bulk}-, composed of thorny twigs, 

 and placed in bushes. £ggs 1.07 X -76, pale bluish green or green- 

 ish blue, miuutelj' (usually rather sparsely) speckled with reddish 

 brown. Ilah. Valleys of Gila and lower Colorado rivers, and 

 south into Sonora.. 711. H. lecontei (Lawu.). Leconte's Thrasher. 



6'. Lower tail-coverts deep rusty cinnamon, or chestnut. 



Adult: Above plain lirownish 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). Eggs 1.07 X .75. plain pale 

 greenish blue. Hub. New ^Mexico, Arizona, southern Utah, south- 

 eastern California, and northern Lower California. 



712. H. crissalis (IIenuv). Crissal Thrasher. 



