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TAXONOMY 
Harold Morrison, in Charge 
George Englehart, of the Brooklyn Museum, Brooklyn, N. Y., spent 
a few days the first of the month working in the National collection of 
the family Aegeriidae. 
rror. Herbert Osborn, of the department of zoology and entomology, 
Ohio State University, at Columbus, Ohio, was in the National Museum 
March 10 and 13, studying the collections of Cicadellidae. 
Frank Johnson, of New York City, spent March 13 ard 14 consulting 
with Dr. William Schaus in the section of Lepidoptera. 
A. E, Brower, a graduate student in the department of entomology, 
Cornell University, Ithaca, N. Y., worked in the National collections of 
North American Catocala March 17 to 2l. 
Dr. George N. Wolcott stopred in Washington on March 17, while en 
route to Porto Rico, to inquire about the determination of material which 
he had previously sent in, 
Dr. F. S. Bodenheimer, of Palestine, visited the taxonomic unit on - 
March 14 to 17. He is especially interested in scale insects, but dis- 
cussed various problems with specialists-in-the unit. 
D. S. Bullock, of Angol, Chile, was in the Division of Insects in 
the National Museum March 20 to discuss the insects of his region. He was 
especially interested in the Chilean Coleoptera. 
From March 19 to 24 C. F. W. Muesebeck, of the Bureau's gipsy-moth 
and brown—tail moth laboratory, Melrose Highlands, Mass., worked in the 
section of Hymenoptera on a revision of the North American species of the 
braconid genus Macrocentrus. 
Dr. S. W. Frost, of the department of zoology and entomology, 
Pennsylvania State College, spent March 26 in the taxonomic unit discuss-— 
ing leaf-mining insects, especially Lepidoptera, Diptera, and their 
hymenopterous parasites. 
Herbert S. Ardell, of the New York Evening Post, New York City, 
ON. Y., called at the National Museum recently to see the collection of 
spiders. He is interested in photographing and writing popular articles 
on these arachnids. 
On March 26 Prof. J. 0. Pepper, of the department of zoology and 
entomology, Pennsylvania State College, examined Cicadellidae in the 
National collection. 
