or ti:( 



/.1,'rr, If ,,i: i/: 



fiDcmoirB of tbe IRutlall ©rnitbological Club 



No. V 



-y . ,. / r- 



5 ^ . ? '' n 



SUPPLEMENT 



TO 



THE BIRDS OF ESSEX COUNTY 



MASSACHUSETTS i. SC(.%7. CI'^m'} 



By CHARLES WENDELL TOWNSEND, M.D. 



WITH ONE PLATE AND MAP 



CAMBRIDGE, MASS. 



PUBLISHED BY THE CLUB 



AUGUST 1920, 



