122 



Journal of Agricultural Research 



Vol. VI, No. 3 



4b c d 



Fig. 3.-i?.>Wa./.ra.nWa.- A. FormfcundintemnteCX .so): B attimeof hatcM^^^^^^^ 



(><7;):\E.maturefemalerearedinwaterculture(Xx.5); F-M,developmeatoftheegg(X5oo). Draw 

 ings by A. L. Ford. 



