PLATE III. 



Figs. 1 and 2, Modified camera liicida outline drawings of the 

 pupal and larval forms of the Bramble-Flea louse, wliicli are found 

 under the curled leaves in August. About sixteen times natural size. 

 Drawn from transparent balsam mounts. 



Fig. 3. "Waxhairs" from body of larva, greatly magnified. 

 {a) The point at whicl: the " waxhairs" break when shed by the 

 pupa. These hairs are arranged in double rows on head and 

 abdomen. 



Fig. 4. Photograph of curled branch and leaves of the black- 

 berry, showing three adult specimens of the Bramble-Flea louse at 

 (b) ; about two and one-half times natural size. 



(All figures drawn or photographed by F. A. Sirrine.) 



