20 A Monograph of Culicidae. 
abdominal hairs are mostly golden. Cross-veins variable in 
position. 
Length varies from 5 to 6 mm. 
ll b 
= ya oe a 
Fig. 5. 
a, Cross-veius of Anopheles Algeriensis ; b, Cross-veins of Anopheles bifurcatus, Linn. 
(These cross-veins vary in each species.) 
Notes.—The Scotch specimens are usually larger than those 
from the South of England. 
No new Canadian specimens have been received, and I rather 
doubt the validity of A. Walkert. The head ornamentation is 

Fig. 6. 
Anophiles bifurcalus. Linn. @. England. 
(Showing curious contour of wing of frequent occurrence.) 
very slightly different, and both forms of scales figured on 
p. 197 are found on one individual. I thus feel inclined to sink 
Walkeri as a synonym of bifurcatus. 
A number of specimens have been received from Cyprus, 

IKE 7 
A. bifurcatus. @. Crete. 
and Crete, which are much smaller than British specimens of 
bifurcatus. They look quite distinct, yet might be a small 
variety of this species. 
