80 REPORT OF NATIONAL MUSEUM, 1901. 



in connection with their work on the Maryland Tertiary. Mr. 

 F. N. Balch, of Boston, compared Arctic shells. 



Pro!'. W. P. I lav, of Howard University, continued studies of the 

 crayfish in the collection, and Mr. T. Wayland Vaughan, U. S. Geo- 

 logical Survey, continued work on the West Indian corals. 



In the laboratory of the Division of Insects the following- investi- 

 gators spent more or less time during the year: Dr. A. Fenyes, wife, 

 and niece (on Coleoptera); Prof. W. L. Tower, Harvard University 

 (on Coleoptera, particularly Chrysomelidic); Miss M. M. Entemann, 

 Chicago University (wasps of the genus Polistes)', Prof. J. B. Smith, 

 Rutgers College (various collections, especially Lepidoptera); Mr. 

 J. A. G. Kelin. Philadelphia Academy of Natural Sciences (on Orthop- 

 tera); Sir Gilbert Carter, of Nassau, Bahamas (on Lepidoptera). 



Prof. E. L. < Jreene. of the Catholic University, and Mr. E. L. Morris, 

 of the Western High School, Washington, were frequent visitors to the 

 herbarium, the former making general comparisons, the latter contin- 

 uing his studies on the North American Plantaginace;e. 



Mr. Stewardson Brown and Air. Joseph Crawford, of the Philadel- 

 phia Academy of Natural Sciences, made a brief visit to the herbarium 

 to look up some ancient types. Dr. N. L. Britton, of the New York 

 Botanical Garden, has made several trips to Washington to consult 

 the herbarium in connection with his forthcoming manual. Prof. 

 E. S. Burgess, of the New York Normal College, spent a few days here 

 examining our Aster material. Dr. 11. H. True, of Harvard Univer- 

 sity, visited the herbarium and studied specimens of the genus Dicra- 

 inim. A number of officials from the Department of Agriculture 

 made frequent use of the herbarium. 



PERSONNEL. 



The head curator of the department was appointed representative of 

 the Smithsonian Institution and National Museum on the Government 

 Board for the Pan-American Exposition, Buffalo, N. Y. 



Miss Harriet Richardson was appointed collaborator in the Divison 

 of Marine Invertebrates, January 11, 1901. 



Dr. L. Stejneger was appointed to represent the National Museum 

 at the International Zoological Congress. Berlin, Germany. 



Mrs. V. Weinheimer, preparator in the Division of Plants, resigned 

 January 1. L901. 



Mr. Joseph Sessford, clerk in the Division of Reptiles and Batra- 

 chians, died March 8, 1901. 



Mr. M. W. Lyon, jr., aid. Division of Mammals, was transferred 

 to the U. S. Department of Agriculture on June 1, 1901. 



