ar Eee 
TAXONOMIC INVESTIGATIONS 
Harold Morrison, in Charge 
F. C. Fletcher, of Cornell University, spent September 4 to 8 
studying type material in the Casey collection, in connection with a 
revision of the North American Pselaphidae. 
The temporary appointment of Dr. L. H. Taylor, University of 
West Virginia, who was employed by the Bureau for three months to work 
on the North American chrysidids, terminated September 10. 
G. J. Haeussler, of the oriental peach moth field laboratory, 
Moorestown, N. J., called at the Museum September 12 to discuss with 
the Bureau specialists the hymenopterous parasites of the oriental peach 
moth. 
On September 13, Dr. Walther Horn, director of the Deutsches 
Entomologisches Institut, left the Museum after spending about three 
weeks working in the Museum collection of Coleoptera. While here Dr. 
Horn named much of the undetermined material of the family Cicindel— 
idae. 
BE. P. VYanDuzee, curator of insects, California Academy of Sci- 
ences, spent September 12 to 15 working in the Museum collection of 
Hemiptera. 
Dr. Francis Rambousek, of Prague, Czechoslovakia, spent September 
20 to 29 studying the Museum collection of Staphylinidae, with special 
reference to the Casey collection. He also discussed with the special— 
ists the methods employed in Europe for collecting minute subterra— 
nean insects, some of which have not been tried out in this country. 
ES 
y) 
y 
c 
@ 
Allan Nicolay, Brooklyn, N. Y., called at the Museum September 
re tO consult with some of the Bureau specialists and to examine spec— 
imens in the Casey collection. Mr. Nicolay is interested in the study 
of carabid beetles and weevils. 
Dr. C. &. Mickel, who was employed by the Bureau for 2% months 
to study critically the Museum collection of Mutillidae, returned to 
the University of Minnesota on September 22. 
G. P. Engelhardt, curator of the Brooklyn Museum, Brooklyn, N. Y., 
Spent September 26 in the Division of Insects, studying the Museum col-— 
lection of clear-winged moths. 
Frank Johnson, New York City, visited the section of Lepidoptera 
on September 28. 
