PROCEEDINGS

Vol.

XXIV,

pp. 43-44 February 24, 1911

PROCEEDINGS

OFTHE

BIOLOGICAL SOCIETY OF WASHINGTON

DESCRIPTION OF A NEW DRYONASTES FROM CHINA.

BY

J. H.

RILEV.

[By permissionof theSecretaryof theSmithsonianInstitution.]

Iii a small lot of birds collected

by Arthur de

C.

Sowerby

ⁱⁿ the provinces ^of

Shansi and

Shensi,

China,

there is a single

specimen resembling

Dryonastesperspicillatusbut paler

through-

out

and

in

my opinion

represents a recognizable

geographical

race. It

may

^be

^{known from}

the following description:

Dryonastes

perspicillatus shensiensis _subsp.

now

Type, No. 212,0(17, Collection of the U. S. National

Museum.

Adult male. Fifteen milessouth of Si-an-fu, Shensi, China, 1,500 feet altitude, February28, 1909. Collected by Arthur^deC. Sowerby.

Subsperific character*.

—

SimilartoDryonastesp. perspicillatusG-melin ofsouth

and

south-east China, but

much

_{paler both}above

and

below

and

with the feathers ofthethroat

and

neck with amereindication ofadark shaft-streak.

Description.

—

_Forehead, supra-orbital, lores, and auriculars, black, forming^a

mask;

crown, cervix, anilocciput

smoke

gray,deepening^into brownish on the upper back,^all the feathers with verynarrow_edgings

and

indistinct shaft-streaks of hair brown; back

and rump

^broccoli brown; upper tail-coverts Isabella color; throat, jugulum,

and

sides of neck,

smoke

gray, the feathers of the throat

and

_jugulum with hardly perceptihleduskyshaft-streaks; breast,

abdomen, and

wing-lining, pink- ish buff; thighs buff; crissum ochraceous; carpo-metacarpal bordered with clovebrown; wingsexternally^{color of}theback; the primaries

and

secondaries blackishontheinnerwell

and

thenedgedwith huffytowards the base^ofthe _feathers; tail

wood

_brown, allthe feathers broadly tipped with black, except ^themiddle_pair,theblack increasingtowardsthe outer pairwhereitoccupiesabout half the feather

and

extends

some

distance up ^{the outer wel).} Wing, 134; tail, loo; culmen, 25.5; tarsus, 41.5;

middle_toe, 25.5

mm.

12—PROC. BIOL. Sue.Wash., Vol.XXIV.1911. (43)

44

_Riley

—

Descriptionof

a New Dryona&es from

^China.

Remarks.

—

Besides the paler^colors,Dryonastesperspicillatus shensiensis has the feathers of the

crown and

cervix lessstronglyedged^{with hair}

brown

; themiddletailfeathersare

wood brown

whileinD. _p.perspicil- latusthey are

mars

brown. Shensiseemstobe outofthe given range^of D.p.perspicillatus

and

in adifferentfaunalarea.

Among

^{the birds from the type} locality of the above described race there

was

a _single specimen ^of

Nannus

troglodytes idius (Richmond), which extendstherange^{of this} bird considerably^to thewest.