317 



aii(lwhei(^ it contracts, hardcus, and darkens in coloi'. In a few weeks 

 afterward tlie perfect tiy issues. 



That such is the normal and invariable life-history of Ili/podenna 

 lincata, I think there can no longer be a doubt, and the burden of i)roof 

 of any departure from it will rest hereafter with those who contend 

 otherwise. That the remarkable life-history of such a well knoAvn in- 

 sect, and one which does so much injury to our cattle interests, should 

 have remained so many years unknown, is only another illustration of 

 the fact that we have yet much to learn of our commcmest s])ecies. 



That this life-history of Hypodentm Unvata will be fruitful in bring- 

 ing to light the actual facts in reference to the European Hypoderma 

 bovis there can be little doubt. The unity of habit in the same genus, 

 the structure of the egg, as already known, of Hypoderma hoi'is, and the 

 fact that nothing definite is yet known of the earlier larval stages or 

 the mode of oviposition, all convince me that this species will be 

 found in Europe to have a precisely similar life-history. I Avould call 

 upon those who read Insect Life and who have occasion to make 

 observations to endeavor, in the light of what is here recorded and of 

 what Dr. Curtice has already written, to obtain the facts in reference 

 to Hypoderma hovis. 



THE RAVAGES OF THE LEOPARD MOTH IN BROOKLYN. 



By Nicolas Pike, Brooklyn, X. Y. 



Fig. 56. — The Leopard Moth: a, larva, dorsal view; 6, larva, aide view; c, male motli ; d, female 

 moth: (", larval burrow — natural size (original). 



The appearance of the Zeuzera pyrina or Leopard Moth was first 

 observed by me about five years ago. A number of Maple trees near 



