6 
This is due entirely to the work of the committee in some instances, 
and in others, where the work of the committee was only of one or 
two years’ duration, the insect had evidently been reduced to such 
inconsiderable numbers that the natural enemies had completed the 
work of extermination. This is notably the case in the Georgetown 
colony, which had only one year’s work. Other bad colonies in which 
the gypsy moth has not reappeared are Mount Gilead colony in Lynn 
woods, the colonies at Spring Pond, Peabody, Cedar Hill in Swamp- 
scott, Sargent street in South Boston, the Overlook colony in Frank- 
lin Park, and a considerable colony in the extreme western portion 
of the district in the town of Lincoln, the Schlesinger colony in 
Brookline, and a good many other less important points of infesta- 
tion. Several of the areas in which the gypsy moth committee 
reported the moth as exterminated, and which now show slight 
infestation, may have become reinfested from other districts in the 
intervening years. The exterminated colonies enumerated, and the 
general control shown at the close of the work of the gypsy moth 
committee, indicate with sufficient emphasis that intelligent and 
efficient work against the gypsy moth will prevent any material 
damage to woodlands or residential districts. 
This discussion of the gypsy moth has related entirely to the 
infestation about Boston. Numerous reports of infestation at remote 
points, and occasionally in the adjacent States, have been received 
by the gypsy moth committee, and by others interested in this insect. 
All of these reports, with the exception of one, have.proven to be 
misidentifications, other insects having been mistaken for the gypsy 
moth. Most of these reports are based on the occurrence of the 
brown-tail moth, which has a much wider range, and which is very 
commonly confused with the gypsy moth in the popular mind. 
While the writer was conducting these investigations about Boston 
a very persistent and apparently well-authenticated report came to 
his attention of the occurrence of a well-established colony of the — 
gypsy moth at Nashua, N. H. A visit to this town demonstrated 
that this, ike most of the others, was an instance of confusion of the 
gypsy moth with the brown-tail moth, the insect at Nashua proving 
to be the latter species. In Massachusetts the most remote authentic 
point of infestation was in East Bridgewater. The writer visited 
this point and found that the insect had been actually introduced 
here, possibly maliciously, or possibly accidentally, but had been 
thoroughly exterminated. The infestation was limited to an isolated 
apple tree growing in the angle of a dwelling house, and was dis- 
covered in 1902. It proved to be a comparatively easy matter to 
thoroughly eradicate the pest here, and there was no evidence of 
work this year. 
