Plate XXI. 



Life history of Daxylvjihia aiiyuina. 



Fig 1. Dasylophia anguina, Stage I: la, side view; 16, first and second thoracic segments, side view; Ic, the freshlj- 



hatched hirva', natural size. 

 Fig. 2. Dasylophia anguina, Stage II; 2a, side view; 26, third abdominal segment, side view, enlarged. 

 Fig. 3. Dasylophia aityniiia. Stage IV; 3a, side view; 36, the same, natural size. 

 Fig. 4. />((s///i)j)/iia ((nyHiim, last stage; 4a, side view. 



Fig. 5. Dasylophia anyuina, lust atviixe; 5(i, side view ; another examjile. Bridgham del. 

 Fig. 6. 2?asi//o^>/iia a/ijii/na, last stage; natural size. Georgia. Leconte del. 



334 



