, White Mts., 15; Cottonwood Creek, 9200 ft., White
Mts., 1. Inyo County: Silver Canyon, 7000-8000 ft., White Mts., 8;
Roberts Ranch, 8300 ft., White Mts., 1; head of Black Canyon, 8000 ft.,
White Mts., 2; Independence, 3900 ft., 1 (vagrant); Mazourka Canyon,
8000-10,000 ft., Inyo Mts., 3; near Jackass Spring, 6000-6200 ft.,
Panamint Mts., 14; Hanaupah Canyon, 7500-9000 ft., Panamint Mts., 2.

=Penthestes gambeli abbreviatus=, new subspecies

Short-tailed Mountain Chickadee

_Parus montanus_, of authors, part.

_Parus gambeli_, of authors, part.

_Penthestes gambeli_, of authors, part.

_Type locality._--Horse Creek, Siskiyou Mountains (near Seiad Valley P.
O.), Siskiyou County, California. _Type_, male, no. 119 (orig. no., in
coll. J. Grinnell); December 12, 1901; collected by Malcolm P. Anderson.

_Diagnosis._--Tone of color on sides, flanks and back the same as in
_inyoensis_, though not quite so pale, namely, in fresh plumage,
cartridge buff. Tail (see figs. 2, 3) much shorter than in either
_gambeli_ or _inyoensis_; and bill averaging smaller than in any of the
other three races.

_Measurements._--Average of 14 males: Wing, 69.7 mm.; tail, 65.0;
exposed culmen, 7.9; depth of bill at base, 3.8. For extremes, see
accompanying table.

_Range._--The higher mountains of central and northern California,
southern Oregon (probably this subspecies), and northwestern[** sic]
Nevada. Occurs west in northern California through the Siskiyou and
Salmon mountains and to South Yolla Bolly Mountain and Mount Sanhedrin;
and south in the Sierra Nevada to the vicinity of Mount Whitney.
_Specimens examined_, 182, from the following localities:

California: Modoc County: Sugar Hill, 4; Warner Mts., 27. Siskiyou
County: Mt. Shasta, 3; Jackson Lake, 5900 ft., 5; South Fork Salmon
River, 5000 ft., 1; head of Rush Creek, 6400 ft., 2; Kangaroo Creek, 3;
Castle Lake, 5400 ft., 1; Horse Creek, Siskiyou Mts., 11; Beswick, 1.
Trinity County: head of Bear Creek, 6400 ft., 4; head of Grizzly Creek,
6000 ft., 6. Tehama County: near South Yolla Bolly Mt., 4. Mendocino
County: near Castle Peak, 1; near Sanhedrin Mt., 4. Lassen County: Eagle
Lake, 6. Plumas County: Meadow Valley, 1. Nevada County: Independence
Lake, 3. Placer County: Summit, 1; Cisco, 6000 ft., 18; Blue Canyon,
4700-5000 ft., 12; Dutch Flat, 1. Eldorado County: Tahoe Valley, 2;
Kyburz Station, 1. Mariposa County: vicinity of Yosemite Valley, 13.
Mo