10 



to make a detailed study of any of the problems presented or sug- 

 gested by the prevailing conditions until we reached this place. 



May 28 we entered the undisturbed spruce forest in the vicinity of 

 Wight's loggers' camps on Twin Brook, where the conditions were 

 found to be especially favorable for commencing the investigation of 

 a trouble which for forty or fifty years has attracted so much atten- 

 tion and caused the loss of vast quantities of spruce timber in north- 

 ern New England and in New Brunswick. 



After spending two days here in a thorough examination of a large 

 number of infested living, dying, and dead trees, which bore every 

 evidence of having been killed by insects, we extended our investiga- 

 tions further into the forest and across the divide to the Cupsuptie 

 River drainage, and thence across to Lincoln Pond, where extensive 

 summer cutting and peeling of the timber had been carried on. The 

 examination of a great many dying and dead trees, together with a 

 study of the conditions in the cuttings, left little doubt as to the 

 primary cause of the prevailing trouble. Indeed, sufficient evidence 

 was found to enable me to suggest to Mr. Cary a possible remedy, in 

 providing girdled trees to attract the destructive insects, thus con- 

 centrating their breeding operations in sections of the forest where, 

 by the ordinary logging operations, the entrapped enemy would be 

 transported to the streams and thus destroyed. 



The following day we returned to Wight's Cainps, and thence went 

 across to Black Cat Brook, Parmacheenee Lake, and Camp Caribou. 

 Three days were spent in the vicinity of this camp, and on June -4 we 

 proceeded to the Little Magalloway, and up this stream to Hamel's 

 Camp. Thence the next day we went to near its source and the sum- 

 mit of Rump Mountain. This route, leading as it did through an 

 extensive burned-over area, recent cuttings, and undisturbed forest, 

 where much dying and dead timber was found, gave an excellent 

 opportunity for the successful prosecution of the investigations. The 

 observations we were enabled to make from the summit of the moun- 

 tain were also of especial interest and importance. 



We returned to Camp Caribou June 7, where I was joined by Mr. 

 Henry Carter, who had instructions from Mr. Cary to accompany me 

 on an exploration in the heart of the wilderness north of Camp Cari- 

 bou. We started on June S, going to Little Boys' Falls on the Magallo- 

 way; thence by trail and canoe to and above Moose Bog Camp, and 

 thence by trail via the Game Keeper's Camp to Barkers Lake, which 

 is located near the Canadian line and forms the principal source of 

 the Magalloway. From here we returned by trail to Lower Black 

 Camp and thence to Camp Caribou, where we arrived in the evening 

 of June 11. 



This trip enabled me to gather much valuable information relating 

 to the distribution of the trouble; the condition of the timber that 

 had been dead live to twenty years; and the relations of old cuttings, 



