ant. 1, MOSQUITOES OF THE UNITED STATES—DYAR. 27 
Distribution —Northern Europe and America; Scotland; Siberia; 
Alaska, to the Yukon Valley. 
United States Records. 
ALASKA: Koyukuk River, “ summer” 1901 (W. J. Peters). 
Eagle, June 2, 1906 (Army Medical Museum). 
Unalakleet, May 29, 1921 (S. Hadwen). 
Beaver Mountains, May 26, 1917 (A. K. Twitchell). 
Kevalina, July 31, 1921 (S. Hadwen). 
CULISETA (CULISETA) MACCRACKENAE Dyar and Knab. 
Culiseta maccrackenae Dyar and KNAp, Proc. Biol. Soc. Wash., vol. 19, p. 
133, 1906. 
A large dark mosquito with conspicuously spotted wings; meso- 
notum dark brown, frosted with white, with two narrow white lines 
posteriorly. Abdomen black above, with narrow white bands at the 
bases of the segments; venter yellowish white with scattered black 
scales. Legs blackish, the mid and hind femora with white rings, 
the tarsi with broad white rings at the bases of the second to fourth 
joints. Wing broad, the membrane infuscated, forming brown spots 
at origin of second vein, end of cell and bases of forks, the scales 
narrow, dark, existing also on the cross veins. 
The larvae inhabit pools in stream beds in late spring or early 
summer after the streams have become sluggish, the pools containing 
much aquatic vegetation. The larva, however, has not been described. 
The species is remarkably rare. 
Distribution —Coastal region of California. 
United States Records. 
CALIFORNIA: Hureka, June 3 (H. S. Barber). 
Presidio, San Francisco, July 4, 1906 (Army Medical Museum). 
Stanford University, March, June, 1903 (I. MacCracken). 
Bakersfield, May 27, 1918 (H. EH. Woodworth). 
CULISETA (CULISETA) INCIDENS Thomson. 
Culex incidens THomson, Kongl. Sven. Freg. Eug. Resa, pt. 6, Dipt., p. 443, 
1868. 
Culex particeps ADAMS, Kans. Univ. Sci. Bull., ser. 2, vol. 2, p. 26, 1903. 
A large dark mosquito with spotted wings. Mesonotum uniform, 
without impressed lines; vestiture dark, mixed with yellowish white 
scales, which form diffuse longitudinal lines, and a spot on each side. 
Abdomen black, with basal segmental white bands; venter whitish 
scaled. Legs black, the femora whitish below, the tibiae also more or 
less whitish within; tarsi with white specks at the bases of the joints, 
a rather distinct ring at the base of the second hind tarsal. Wings 
broad, the cross veins in line, or nearly so; wing scales black, hair- 
