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TAXONOMY 
Harold Morrison, in Charge 
Dr. Filippo Silvestri, Director of the Royal School of Agriculture 
at Portici, Italy, spent much of his time from September 6 to September 
10 working on insects in the collections, with various specialists of 
the Bureau. He was particularly interested in termites, Zoraptera, 
coccids, and various myrmecophilous and termitorphilous forms. Two col- 
lecting trips were made during his stay, one with Doctor Chapin, to locate 
living specimens of Zorotypus hubbardi Cdll., the other with Mr. Barber 
and Doctor Snyder, to search for specimens of Micromalthus, Machylis, 
and Spirobolus, upon which he has uncompleted manuscripts. 
E. E. Blanchard, Entomologist of the Department of Agriculture in 
Argentina, who has been attending the Pan American conference on agri- 
culture recently held in Washington, visited the Division of Insects 
September 22 and subsequently. 
P. H. Timberlake, of the Graduate School of Tropical Agriculture 
and Citrus Experiment Station, Riverside, Calif., arrived in Washington 
on September 16, and plans to remain for the winter, working on the 
classification and identification of coccinellid beetles. Special at— 
tention will be given the Koebele collection of specimens belonging to 
this family, which has been shipped to him in Washington from the Hawai- 
ian Suyar Planters' Station. 
Miss Elizabeth von Lében Sels, a graduate student at Cornell 
University, spent portions of the time from September 2 to September 
10 in the taxonomic unit, in consultation with Dr. A. G. Béving about 
the larva and pupa of the beetle Phalacrus politus Melsh., which she 
had reared as a feature of a study of the insects of the New England 
aster. 
On September 6 Dr. C. P. Custer, of Baltimore, Md., called at the 
Museum to see the National collection of bees of the genus Coelioxys. 
For several years he has been observing the habits of some of the species 
of this genus occurring in Colorado, and he has in progréss a revision 
of the North American species.* ° 
Dr. H. W. Allen, of the Bureau's field laboratory for the study of 
parasites of the oriental fruit moth, at Moorestown, N. J., came to 
Washington on September 12 to obtain identifications of hymenopterous 
parasites reared in connection with studies of this moth. 
On September 13 J. M. Valentine, of the University of North Car- 
colina, called at the section of Coleoptera to obtain information about a 
blind cave beetle which he had collected in West Virginia. It provedara 
be a new species of Carabidae. 
