72 REPORT OF NATIONAL MUSEUM, VM)2. 



amount of research has been necessary, and this has occupied Ihe time not taken up 

 hy the nmltifarious duties in the division wliich tlie absi-nce of an efficient clerk 

 makes it necessary to call upon Mr. Bartscli to perform. 



Ml". Simpson has been continuing his work on the Naiades of tluMvorld, which 

 has made reasonal)le progress, hut has called for little in the way of i)ul)licati<in dur- 

 ing the year. 



A very large numl)er of identifications and lists of species for correspondents was 

 made during the year, as usual, but this work, though taking much time and more 

 or less directly beneficial to the Museum, calls for no extended remarks. 



Prof. Charh'S B. Wilson, who hfis \olunteered to work up the collec- 

 tion.s of parasitic copepod Crustacea belonging- to the Museuui, com- 

 pleted a monograph of the family Argulidtv. The monograph of the 

 Crustacea of the familj^ Galatheidte b}' Dr. J. E. Benedict, mentioned 

 in last year's report, was completed, but has not 3'et l)een pul)lished. 

 Miss M. J. Rath bun completed a stud.y of the macruran Crusta<H>a of the 

 northwest coast of America, and prepared preliminary descriptions of 

 both Macrura and Brachyura, which were published in the Proceedings 

 of the Museum. She also prejiared a list of decapods of the Northwest, 

 with descriptions of new and rare forms, for insertion in one of the 

 volumes of the report of the Harriman Alaska expedition, now in 

 press. The collection of stalk-eyed Crustacea made by Dr. D. 8. Jordan 

 and Mr. J. O. Sn} der in Japan was also reported on by Miss Rathbun. 

 In addition she described a new species of fossil crab for Branner\s 

 Geology of the Northeast Coast of Brazil, identified the Brachyura and 

 Macrura collected by the U. S. Fish Commission in the Hawaiian 

 Islands, 1901, and renew^ed work on the fresh-water crabs belonging- 

 to the collections of the Paris Miiseimi, pul>lishing in that connection 

 a description of a new species of Parathelphusa. Prof. W. P. Ha}^ 

 described two blind crustaceans from Mammoth Cave, Kentucky, and 

 Nickajack Cave, Tennessee. Miss Harriet Richardson, collal)orator, 

 continued studies on the isopods. She prepared, at the request of 

 Prof. A. E. Verrill, a report on the isopods of the Bermudas, and 

 began reports on the Japanese isopods. She also took up the study 

 of the general collection of Bop3a'id{e, and prepared descriptions of 

 two new isopods from Indiana and Cuba, respectively. 



Dr. L. O. Howard, Honorary Curator of the Division of Insects, 

 who is also Entomologist of the U. S. Department of Agriculture, 

 pu])lished during the year a large niunber of papers having for the 

 most part an economic bearing. A list of these will be found in the 

 bibliography accompanying this report. In addition Dr. Howard 

 published a large popular work entitled The Insect Book, treating of 

 North American insects exclusive of Lepidoptera and Coleoptera. 

 The scientific work of other members of the staff of the Division of 

 Insects for the year is thus summarized: 



Mr. Ashmead still continues his classificatory work on the Hymenoj)tera an.l has 

 published much on the subject. He has just iinished his classification of the 



