1925] Efficiency of Birds in Destroying Larvce of Corn Borer 37 
Fig. 2. Map of the area known to be infested by the European Corn 
Borer in New England in 1923. Circles show localities where experiments 
were placed in the fall of 1923; — clear circles indicate that no feeding by birds 
was found, while circles having a cross in the center indicate localities where 
birds fed on larvae contained in the corn stalks of the experiment. A white 
line surrounds the area known to be infested up to July 1, 1919. 
1 — Arlington, Mass. 
2 — Medford, Mass. 
3 — Saugus, Mass. 
4 — Beverly, Mass. 
5 — Marblehead, Mass. 
6 — Rockport, Mass. 
7 — Newbury, Mass. 
8 — Hampton, N. H. 
9 — Kittery, Me. 
10— Wells, Me. 
11 — Biddeford, Me. 
12 — Scarboro, Me. 
13 — Woburn, Mass. 
14 — Andover, Mass. 
15 — Methuen, Mass. 
16 — Kingston, N. H. 
17— Farmington, N. H. 
18— Bedford, N. H. 
19— Hillsboro, N. H. 
20— Concord, N. H. 
21— Franklin, N. H. 
22 — -Bristol, N. H. 
23 — Concord, Mass. 
24 — -Westford, Mass. 
25 — -Harvard, Mass. 
26 — Leominster, Mass. 
27 — Gardiner, Mass. 
28 — Natick, Mass. 
29 — Southboro, Mass. 
30 — Worcester, Mass. 
31 — Medfield, Mass. 
32 — Foxboro, Mass. 
33 — Attleboro, Mass. 
34 — Touisset, Mass. 
35 — -Needham, Mass. 
36 — Bridgewater, Mass. 
37 — Mattapoisett, Mass. 
38 — Milton, Mass. 
39 — W. Hingham, Mass. 
40 — Cohasset, Mass. 
41 — Marshfield, Mass. 
42 — Kingston, Mass. 
43 — Falmouth, Mass. 
44 — Sandwich, Mass. 
45 — Brewster, Mass. 
46 — Wellfleet, Mass. 
47 — Provincetown, Mass. 
