10 SOME FACTS ABOUT MALARIA. 
the South, but not in the North. A number of experiments have been 
made with this species in the North, and especially at Baltimore and 
New York, to see if it will carry malarial parasites, but without 
success. 
The anopheline mosquitoes are distinguished from most other mos- 
quitoes of the United States by the fact that their wings are more or 
less spotted, and that in resting on the wall their bodies incline away 
from the wall at an angle, while with most others the body is parallel 
Fic. 2.—Anopheles crucians: Female mosquito. Greatly enlarged. (Original.) 
to the wall. The females also have palpi which are nearly as long as 
the proboscis, or beak. 
The Anopheles mosquitoes above mentioned pass the winter as 
adults. In the autumn they enter houses, stables, barns, or other out- 
houses, or seek other sheltered hiding places, and remain there until 
spring. They are often found in the winter in numbers in the cellars 
of houses, where they may be killed by fumigation. 
These mosquitoes, as a rule, bite only after sundown. Anopheles 
crucians has on rare occasions been known to bite during the day, as 
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