EXPLANATION OF PLATE LIX. 



PHYSOKERMES ABIETIS. (Page 132.) 



Fig. 1. Adult females in situ surrounding branch 



(posterior view). X 6. 

 Fig. 2. Adult female in situ (semi-dorsal view). 



X 20. 



Fig. 3. Adult female in situ (dorsal view). X 20. 

 Fig. 4. Adult female removed from branch, with 



the cephalic extremity exposed (ventral). X 20. 

 Figs. 5, 5 a. 5 b. Cornicles of adult female. 



