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TAXONOMIC. INVESTIGATIONS 
S. A. Rohwer, Entomologist, in Charge 
Dr. Wm. Barnes, of Decatur, Ill., recently spent several days in the 
Division of Insects comparing types.and consulting with specialists in 
Lepidoptera. 
Major Harry A. Davis, who is in charge of mosquito investigations of 
the Army Medical Museum, visits the Division every two nee to consult with 
Dr. Dyar and have specimens identified. 
Professor Clarence H. Kennedy and Professor James S. Hine, of the Ohio 
State University, visited the Division of Insects on their return from England, 
where they have been examining types in the British Museum (Natural History). 
Professor Hine spent some time conferring with Dr. Aldrich and studying the 
collection of horse flies. Professor Kennedy examined the collection of 
Odonata, spending considerable time studying the material coming from the 
Hawaiian Islands. He is preparing a revision of the Odonata of the Hawaiian 
Islands and has had an opportunity to examine practically all of the types. 
Robert J. Sim, of the Japanese Beetle Laboratory, recently spent some 
time in the Division of Insects studying the collection of Scarabaeidae in 
an endeavor to identify the species which have been forwarded to the Japanese 
Beetle Laboratory in connection with the work on the Japanese beetle. 
Ernest Shoemaker, of Brooklyn, N. Y., spent a day in the Division, 
looking over the collection of beetles. 
Raymond Shannon retucned from Europe September 8. During his trip to 
Europe he had an-opportunity to examine many of the types of Diptera, spending 
considerable time studying those belonging to the families Syrphidae, Musci- 
dae, Calliphoridae, Culicidae, and Simuliidae. He was able to arrange ex- 
tensive exchanges with various specialists throughout Europe and brought home 
nearly 1,000 specimens obtained in that manner. During his trip he collected 
about 1,000 specimens of flies, and obtained some very interesting records on 
distribution. 
‘C. F. W. Muesebeck is planning to spend the month of October in the 
Division of Insects, studying various parasites which have been reared in con- 
nection with the investigations of the Gipsy Moth Laboratory, and preparing a 
revision of the American braconid flies belonging to the subfamily Braconinae. 
CEREAL AND FORAGE INSECT INVESTIGATIONS 
W. H. Larrimer, Entomologist, in Charge 
W. H. Larrimer, W. R. Walton, and L. H. Worthley attended the corn 
borer conference held at Toledo, Detroit, and Windsor, Ontario, from September 
29 to October 1, inclusive. They report a very large attendance and great 
interest on the part of the officials and others who attended this inspection 
trip and conference. 
