Fig. 28. — Pupa of preceding,' species (Fi},', 27). 

 X 20. 



Fig. 29. — Tarsal claw of foreleg adult lemal 

 yellow fever mosquito. 



¥\g. 31.— Larva of gad fly from Left Fork of 

 Straight Creek, near Roark Cottage. X4>^. 



Fig. 30. — Egg of yellow fever mosquito greatly niagiiitied. x 100. 



