Bul. 91, Bureau of Entomology, U. 
x \ CHELMSF 
WESTFORD \ 
\ 
x 
LITTLETON - GARLIS 
MAY-— 
a NARD 
x 
SUDBURY 
HUDSON ¥ ah 
MARL- 
BOROUGH 
ae 
MEDWAY \ 
FRANKLIN 
BELLING 
HAM 
