MORPHOLOGY OF ANOPHELES AND CLASSIFICATION OF NEARCTIC SPECIES 
67 
Fig. 1. Dorsal hairs of larva of Anopheles quadrimacnlatus: A, head and part of prothorax; B, ab¬ 
dominal segments 4 and 5 (after King, Bradley and McNeel 1939). 
Mexico and Texas. Among a few larvae ent in some but lacking in others. Further 
from these states examined by one of the study of adequate material will be required 
present writers (King), the tails are pres- to determine whether both franciscanus 
