244 REPORT ON NATIONAL MUSEUM. 



No. 11064. Specimen of locust caught at sea on board ship Lighting, 

 sent by James T. Eowell through Lieut. 0. D. Sigsbee, U. S. N. 



No. 11072. Two species of bird parasites, sent by James P. Melzer, Mil- 

 ford, N. H. 



No. 11267. Specimens of "buffalo gnats" from Arkansas, sent by Mr. 

 M. H. Thomson, Pecan Point, Ark. 



No. 11468. A few insects from Central America and cave crickets from 

 Mammoth Cave, sent by Mr. Theodore Roosevelt, New York. 



No. 11543. Several species of insects from La Paz, Cal., sent by Mr. L. 

 Belding, Stockton, Cal. 



No. 11771. Mygale hentzii, sent by Mr. D. W. Harris, Homer, Claiborne 

 Parish, Louisiana. 



No. 12001. A few unmounted insects, sent by Mr. W. Hudson, Tehua- 

 cana, Tex. 



No. 12052. Belostoma americanum, Cybister Jimbriolatus, Dytiscus fasci- 

 ventris, sent by Hon. William McAdams, Jerseyville, 111. 



DEPARTMENT OF MOLLUSKS. 

 Wm. H. Dall, Honorary Curator. 



The removal of the collections from the lower part of the building in 

 order to make room for clerks, &c, while the east end of the building 

 was being remodeled, was hurriedly carried out. It was discovered in 

 the course of the removal that parts of the collection which had not 

 been inspected for several years had suffered much from the defects of 

 the old and badly-made cases which admitted mice and dust. The col- 

 lection of chitons offering much animal matter to these vermin, was 

 almost entirely destroyed; many labels and paper trays were soiled or 

 nibbled so as to require replacing. 



Lieut. Francis Winslow, TJ. S. N., undertook the preparation of the 

 exhibit of economic mollusks of the United States which were sent to the 

 International Fisheries Exhibition at London in pursuance of the act of 

 Congress requiring an exhibit on the part of the Museum and Fish Com- 

 mission. 



As will be seen from the list of accessions, a large amount of material 

 was received from various sources for this purpose and part of the ex- 

 hibit prepared by the writer for the Centennial Exposition at Philadel- 

 phia, and afterwards taken to the Berlin Fisheries Exhibition, did duty 

 on this occasion. The writer, at Lieutenant Winslow's request, aided 

 him from time to time by such suggestions or advice as circumstances 

 seemed to call for. A catalogue of the collection as exhibited was pre- 

 pared by Mr. Winslow and has been published as one of the series of 

 official catalogues of the collective exhibit of the United States. It 



