Genus Anopheles. 21 
ANOPHELES ALGERIENSIS. Nn. sp. 
(Plate VIL.) 
Resembles A. bifurcatus in regard to head ornamentation and 
the cephalic appendages. The thorax is, as a rule, like the former 
species, but is sometimes of a brighter brown hue, Abdomen with 

Vig. 8. 
Anopheles Algeriensis., n. sp. (2). 
A, Head ; B, Scutellum; C, Abdomen. a, Scale tuft in front. 
a certain amount of pale basal markings to the segments in some 
specimens, not in others, but always with dull brown hairs instead 
of golden ones as in A. bifurcatus ; wings with similar scales, the 
stem of the first sub-marginal cell variable in length, often more 

Fig. 9. 
Wing of Anopheles Algeriensis. 9. n.sp. Algeria. 
than half the length of the cell ; cross-veins (Fig. 5) variable, as in 
_bifurcatus. The first sub-marginal cell is shorter than in 
bifurcatus. 
Length.—-3°8 to 4°5 mm. 
Habitat.—Algeria (Dr. Sergent). 
