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The library already contains several hundred valuable books, many of them rare, 
and a large number of files of bee-journals from all parts of the world. 
Because of the present economic conditions in Germany, the Berlin 
‘Bieneninstitut is in danger of being entirely discontinued. To prevent this 
_@aneffort is being made in the United States to raise funds sufficient to 
insure the continuation of the valuable research work of this institute. 
Dr. Ludwig Armbruster, Director of the Institute, is also editor of the 
Archiv fiir Bienenkunde, the only strictly scientific journal devoted to bees 
FOREST INSECT INVESTIGATIONS 
T. E. Snyder, Entomologist Acting in Charge 
Dr. J. M. Swaine, in charge of Forest Insect Investigations of the 
» Dominion of Canada, visited this branch during the first part of May. 
_ Doctor Hovkins showed Doctor Swaine the Forest Insect Collections, »varticularly 
' the Scolytidae. Doctor Swaine also visited the Bastern Field Station at Hast 
Falls Church, Va. On May 2 Doctor Sweine with Doctor Snyder visited Ashland, 
“near Richmond, Va., where control operations were being conducted against the 
southern pine beetle, Dendroctonus frontalis Zimm, Termites or white ants 
were found to consitute, as usual, one of the principal factors in rapidly 
rendering stending beetle-killed timber unmerchantable. 
W. D. Edmonston and George Hofer are at present on the Kaibab National 
Forest and Grand Canyon National Park, where control work is being conducted 
in cooperation with the Forest Service of this Department and the National 
Park Service of the Interior Department against the Black Hills beetle, 
+ 
'“Dendroctonus vornderosae Hopk, 
4 R. A. St. George left Washington May 20 for points in Kentucky, 
Georgia, Mississippi, and Alabama, to supervise the cooperative experiments 
with lumber companies intended to prevent insect damage to green logs and 
lumber by ambrosia beetles and borers, and also damage to seasoned products 
by Lyctus powder-post beetles. Mr. St. George is also to report on the present 
re rt ee ees ee 
Many arborvitae and boxwoods in the vicinity of Washington, D. C., are 
suffering from attacks by two leaf-miners -- the lepidopterous arborvitae 
leaf-miner and the dipterous boxwood leaf-miner. William Middleton of this 
status of an epidemic of the southern pine bestle, Dendroctonus frontalis Zimm, 
