om & = 
MISCELLANEOUS INVESTIGATIONS 
(Items from the National Museum contributed by S. A. Rohwer) 
S. A. Rohwer left Washington on May 28 for the purpose of investigating 
the practicability of introducing parasites into the forestry plantation at 
Halsey, Nebr., as a check on the ravages of the pine tip moth, Evetria 
bushnelli, This moth is causing severe damage to the pines on the reforestation 
project there. Mr. Rohwer will be absent for a month, or possibly more. 

On May 5 R. CG. Shannon, at the request of James Ricker and with the 
permission of the Bureau of Entomology, went to Poland Springs, Me., where 
he spent ten days investigating the mosguito situation of the Poland Springs 
estate. The North Woods peaee species were found to be very abundant in the 
temporary pools and small ponds about the place. Control measures were imme= 
diately started. Investigations of other insects were made at the same time. 
On his way back Mr. Shannon stopped off to see the collections of Diptera at 
Cambridge and Boston, 
eR re 
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At the invitation of Samuel Henshaw and Nathan Banks, of the Cambridge i 
Museum of Comparative Zoology, and Profs. W. M. Wheeler and ©. T. Brues, of 
Bussey Institute, Dr. E. A. Schwarz, accompanied by R. C. Shannon, went for | 
several days to Cambridge and Boston. At the Cambridge Museum Dr. Schyarz 7 
made an examination of the Coleoptera collections of Le Conte, Melsheimer, . 
Ziegler, and others, and helped Mr. Banks elucidate a number of tangles existing 
among the various aver on the specimens, and clear up other points relating 
to type specimens. Mr. Shannon studied the types in the Osten Sacken-Loew 
collection. The Entomological Society of Cambridge had a special meeting, 
a gsnoker, in honor of Dr. Schwarz. Here he met a number of his old friends and 
many new entomologists who are now members of this club. C. W. Collins took 
Dr. Schwarz for a visit to the Gipsy Moth Laboratory at Melrose Highlands, 
where he met the personnel and was shovm the different phases of their work. 

Dr. J. M. Aldrich left on May 31 for a two months! trip through the 
West. He will visit Kansas City and Atherton, Mo., San Francisco, Berkeley, 
and Redlands, Calif., Portland, Oreg., Pullman and Seattle, Wash., and other 
points, there he expects to do some collecting and consult with various 
specialists. He will also spend several weeks visiting relatives and friends. 
LIBRARY 
Mabel Colcord, Librarian 
New Books 
Atkins, E. W. and Havkins, K. 
How to succeed with bses... Madison, Wis., 192. 96 p-, illus. 

