544 NORTH AMERICAN BIRDS. 
1.28, tarsus 1.35-1.45. Eggs 1.07 x .78, colored like those of ZH. 
rufus. Hab. Lower Rio Grande Valley, in Texas. 
706. H. longirostris sennetti Ripaw. Texas Thrasher. 
@, Wing 3.55, or less, tail 4.45, or less; lower mandible wholly 
black ; colors darker, the markings more sharply defined; 
wing 3.40-3.55, tail 4.10-4.45, culmen 1.20-1.25, tarsus 1.15- 
1.25. Hab. Cozumel Island, Yucatan. 
H. guttatus Ripaw. Cozumel Thrasher.! 
b?, Above brownish gray. 
ce’. Markings on lower parts sharply defined, much darker than color of 
back. (Outer tail-feathers with white terminal spots; wings with 
two distinct white bands.) 
d'. Markings of lower parts roundish; under tail-coverts spotted; 
wing 4.10, tail 5.60, much graduated; exposed culmen 1.15, 
tarsus 1.50. Hab. Southwestern Mexico.(Oaxaca). 
H. ocellatus Sct. Ocellated Thrasher.? 
@. Markings of lower parts triangular or wedge-shaped ; under tail- 
coverts without spots; length about 10.00, wing 3.90-4.15, tail 
4,35-4.60, moderately graduated, culmen 1.10-1.12, tarsus 1.25- 
140. Eggs 1.06 x .75, greenish white, spotted with pale reddish 
brown. Hab. Lower California. 
(86.) 709. H. cinereus Xanrus. St. Lucas Thrasher. 
c. Markings on lower parts indistinct (sometimes nearly if not quite 
obsolete), or else not darker than color of back. 
d', Lower mandible with basal portion light-colored; exposed culmen 
.95, or less, bill from nostril less than .85. 
Adult: Above plain grayish brown, the middle and greater 
wing-coverts with indistinctly paler tips; beneath much 
paler grayish brown, becoming nearly white on chin and 
throat and middle of belly, buffy on under tail-coverts, and 
more decidedly brown on flanks, the: chest and breast 
(sometimes upper belly also) marked with triangular spots 
or streaks of deeper grayish brown (these markings usu- 
ally indistinct—sometimes quite obsolete—in summer plu- 
mage); inner webs of two or three outer tail-feathers tipped 
with dull whitish. Young: Similar to adult, but wing- 
coverts and rump tinged with tawny buff, tertials edged 
with same, and lower parts usually whiter, with nar- 
rower (and sometimes much darker) streaks. Length 
about 9.50-10.50, wing 3.90-4.20, tail 4.25-4.90, exposed 
culmen .87-.95, bill from nostril .75-.81, tarsus 1.30-1.40. 
Eggs 1.05 X .76, similar to those of H. cinereus, but ground- 
color averaging paler, or more decidedly whitish. Hab. 
1 Harporhynchus guttatus Ripew., Deser. New Sp. B. Cozumel, Feb. 26, 1885, 1. 
2 Harporhynchue ocellatus Scu., P. Z. 8. 1862, 18, pl. 3. 
