32 GYPSY AND BROWN-TAIL MOTHS. [Jan. 



in better condition than it has been since the work started. If 

 it is properly sprayed the coming season there will be no danger 

 whatever of defoliation there. 



In Prospect Hill Park the infestation was very serious, and 

 it seemed that unless a large amount of work was done there 

 the larger part of it was destined to be defoliated. As the 

 condition of Waltham proper was very bad, and as so much 

 work was necessary, it became evident that the city authori- 

 ties would not be in a position to care for it; therefore, with 

 the approval of His Excellency the Governor, this work was 

 given to a responsible contractor who was the lowest bidder. 

 Thinning operations were carried on over the entire area, 

 and some protective belts were made where there was great 

 danger of the caterpillars migrating from adjoining properties. 

 These protective belts were tanglefooted, and when the foliage 

 appeared, the entire park and a protective border, containing 

 about 200 acres, were sprayed with arsenate of lead. Very good 

 results were obtained, and if the park is properly cared for this 

 winter, next season it should be in very good condition. 



In Lynn Woods work was carried on somewhat extensively 

 from the early spring through a part of the caterpillar season. 

 Thinning out of trees was done, roadsides were protected in 

 most cases, and where white pine was abundant the deciduous 

 growth was removed and the pines tanglefooted. Some 

 portions of the park were burned over during the cater- 

 pillar season, thus checking the insects to a great extent. This 

 park must be given very careful attention in the future, so 

 that it may not be seriously damaged by the ravages of the 

 gypsy moth caterpillars. To care for this area of 1,000 acres 

 properly is a hard problem, as it means a large expenditure of 

 money, and it must be most systematically done in order that 

 good results may be obtained. The sections of the city of Lynn 

 bordering on this park suffer constantly from reinfestation from 

 this source. 



Shaker Glen is not a public park, but is owned by private 

 individuals and much frequented by the public. Inasmuch as it 

 was seriously infested, it was deemed advisable last year to start 

 thinning operations, treat the egg clusters and put it in condition 

 for spraying. Later in the season, as the caterpillars hatched, a 



