ity Rieke 










q ; Dr. Carl J. Drake, of the Iowa State College, at Ames, was in 
Washington on March 13 and 14 and called at the Bureau of Entomology. 

4 TAXONOMY 
Harold Morrison, in Charge 
Prof. C. J. Drake, of the department of zoology and entomology, 
Iowa State College, at Ames, spent parts of March 8, 12 and 13 in the 
_ taxonomic unit, working on Hemiptera and discussing various problems 
with some of the taxonomic workers. 
’ Stansbury Haydon, of the Natural History Society, Baltimore, Md., 
called at the taxonomic unit March 8 to examine certain forms of North 
| American Papilio and to obtain determinations of some beetles. 
R. T. Webber, of the Bureau's Gipsy Moth Laboratory, at Melrose 
Highlands, Mass., has since March 17 been studying muscoid flies in the 
Division of Insects and consulting with Dr. J. M. Aldrich. 
Prof. R. M. Geist, of the department of zoology, Capital Univer-— 
Beeity, Columbus, Ohio, spent March 17 to 19 studying the collection of 
Mallophaga and consulting with Dr. H. E. Ewing about the host relation- 
J. R. Douglass, of the Bureau's Mexican bean beetle field labora-— 
_ tory at Estancia, N. M., was a recent caller in the section of Coleop- 
mo tera. 
Dr. Theodore B. Hayne, of the staff of the Rockefeller Founda— 
' tion, stationed at Lagos, Nigeria, West Africa, called at the taxonomic 
Seunit March 21 to consult with the Bureau's specialist, C. T. Greene, 
regarding African mosquitoes. 
Prof. G. C. Crampton, of the department of entomology, Massachu- 
setts Agricultural College, at Amherst, spent March 24 and 25 in the 
National Museum examining certain flies in connection with morphologi- 
cal investigations on the thorax of Diptera. . 
a T. H. Jones, of the Bureau's Gipsy Moth Laboratory, at Melrose 
_ Highlands, Mass., visited the section of Diptera March 27 and consulted 
_ the specialists. 
i Andrew G. Weeks, of Boston, Mass., a well-known student of Lepi- 
_ doptera, came to Washington March 28 to consult Dr. William Schaus and 
_ to examine material in the National collections of Lepidoptera. 
H. F. Dietz, at present located at the Ohio Agricultural Experi- 
ment Station, Wooster, called at the taxonomic unit on the afternoon of 
March ll. 
