MACGILLIVRAY WARBLER. 
680. Oporornis tolmiei. 5% inches. 
Range.—Western North America, from British Columbia 
to southern California, breeding throughout its range. They 
are common warblers of the Pacific coast, to be found on or 
near the ground in thick shrubbery, where they build their 
nests within a few feet of the ground. This is made of 
grasses and shreds of vines, and lined with finer grasses and 
hair. Four eggs are laid, white, spotted and quite heavily 
marked with shades of brown (.72 x.52). 
WESTERN YELLOW-THROAT. 
681a. Geothlypis trichas occidentalis. 5% inches. 
Range. —Western North America, from British Columbia 
south to Arizona, but not near the Pacific coast. It is one 
of the seven or eight forms of the Maryland Yellow-throat, 
the greatest difference in them being in the locality in which 
they are found. They place their nest in a clump of grass, 
well concealed, laying usually four white eggs, with few spots 
of brown (.70x.50). 
PACIFIC YELLOW-THROAT. 
681c. Geothlypis trichas arizela. 514 inches. 
Range. —The Pacific coast. Habits, nest and eggs same as 
above. 
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