137

=
3
2
Re
SS
x
®
=
:
ws
§
5
:
8
CA
a}
5
i)

.
:

Swarth

1926]

MEASUREMENTS IN MiLuimerers (AVERAGE, Minimum AND Maximum) or LANIUS BOREALIS

Wing
7 adult males from Alaska and
British Columbia .. 117.0 (118.0-119.0)

7 immature males from Alaska and
British Columbia 115.6 (114.0-116.5)

10 adult males from eastern North
Americat 112.7 (111.0-115.0)

* Entire feather is white.
t New York, 1; Rhode Island, 1; Connecticut, 5; Ontario, 3.

Tail

111.7 (107.0-116.5)

109.4 (106.5-111.5)

107.9 (104.0-111.0)

Culmen

17.6 (16.5-18.5)

17.6 (17.0-18.0)

17.6 (17.0-18.2)

Tarsus

26.6 (25.5-27.2)

26.9 (26.2-28.0)

26.5 (25.0-27.0)

White spot on outer
tail feather

46.1 (41.0-54.0)

48.5 (35.0-91.0*)

39.5 (31.0-55.0)