aay,

MerasuREMENTS IN MILLIMETERS OF SAYORNIS SAYUS SAYUS AND S. S. YUKONENSIS

Locality Wing Culmen
Forty-mile, Yukon Territory... ee 107 86 14
Atlin, British Columbia June 11, 1924 105 84 14
Atlin, British Columbia June 17, 1924 99 78 14
Careross, Yukon Territory May 24, 1924 98 78 13
Carcross, Yukon Territory May 25, 1924 97 78 13
Careross, Yukon Territory... May 24, 1924 98 77 14

Average, minimum and maximum of 10 breeding males from California and
Nevada 79.9 15.4

(98.0-104.0)  (77.0-83.0) (14. 5-16.0)
97.0 76.6 14.9
(91.0-101.0) (73.0-80.0) (14.0-16.0)

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* Coll. Allan Brooks.

Swarth

1926]