UEPORT OF ASSISTANT SECRETARY. 31 



noptera. Mr. D. W. Coquillett was occupied in identifying and arrang- 

 ing the Diptera and completed a revision of the genera of the family 

 Empididte. A paper by him descriptive of 4 new genera and 94 new 

 species of North American diptera was printed in the Proceedings. 

 Mr, Nathan Banks published 1 6 papers on spiders and other entomo- 

 logical subjects. A paper on dragon-flies and one on ant-lions, b}^ 

 Mr. Rolla P. Currie, were published b}^ the P^ntomological Society of 

 Washington. Mr. Currie continued work on a catalogue of North 

 American Ncuropteroid insects, and on a monograph of the ant-lions. 

 Mr. August Busck published two papers on the codling-moth and one 

 on a new species of the family Yponomentidic, and also a revision of 

 the American moths of the family GelechiidjB. The Museum Proceed- 

 ings for the year contained a paper by Dr. H. (j. Dj-ar on the larvfe 

 of moths from Colorado, and an additional section of Dr. John G. 

 Smith's monograph of the moths of the family Noctuida?. 



The researches ])y Dr. J. E. Benedict included a revision of the 

 genus Lepidopa^ descriptions of new Galatheid*, Albuneidtv, and 

 Dromida\ and studies upon the Anomuran crabs collected in Japanese 

 and Hawaiian waters by the Fish Commission steamer Alhatro-ss^ and 

 upon several interesting annelids. Miss M. J. Rathbun continued 

 work on a monograph of the fresh-water crabs based on the collec- 

 tions of the U. S. National Museum, the Museum d'Histoire Naturelle, 

 Paris, the Museum of Comparative Zoology of Harvard Universit}^, 

 and other institutions. She also prepared five short papers on 

 crustaceans which were printed during the year. 



Miss Harriet Richardson completed reports on the Isopod crustace- 

 ans collected in Hawaii and Japan by the Fish Commission steamer 

 Alhatross, and in Japan by the U. S. S. Palos in 1881, and by Dr. 

 D. S. Jordan and J. O. Sn3^der in 1900, and also on some cymothoids 

 collected b}^ Dr. C. H. Gilbert on the west coast of Central America, 

 and on the American Epicaridea in the U. S. National Museum. 



Dr. C. W. Stiles, Custodian of the helminthological collections, 

 made an extended investigation of a parasitic disease prevalent among 

 the i^eople of the Southern States, which he found to be due to the 

 attacks of an undescribed species of hook-worm, Uncinaria americana, 

 and carried on inquiries'regarding the frequency of the occurrence of 

 parasites in men. He published twelve papers during the year relat- 

 ing to parasitolog}", three of these having been prepared conjointly 

 with Dr. Albert Hassall and Mr. Charles A. Pfender; and also the 

 first three parts of an index-catalogue of medical and veterinary 

 zoology, with Doctor Hassall as coauthor. 



In the Division of Plants, an unusual amount of routine work, espe- 

 cially in connection with the rearrangement of the collections, pre- 

 vented the accomplishment of much scientific research. A third 

 section of Dr. J. N. Rose's studies of Mexican and Central American 

 plants, and a paper liy the same author in conjunction with Mr, 



