52 EEPORT OF NATIONAL MUSEUM, 1888. 



A selected series of Lachnosterna has been sent for study to Dr. George 

 H. Horn, of Philadelphia. Mr. Tyler Townsend and Dr. George Marx, 

 of the Department of Agriculture, have rendered valuable assistance 

 in connection with the preparation of the entomological exhibit for the 

 Cincinnati Exposition. Prof A. E. Verrill has continued the study of 

 several groups of marine invertebrates dredged by the Fish Commis- 

 sion on the eastern coast of the United States. Prof S. I. Smith has re- 

 ceived for study the Crustacea gathered from the same source. Prof. 

 Edwin Linton, of Washington and Jefferson College, has made rapid 

 progress with his studies on Trematode parasites. Prof. Leslie A. Lee 

 is intending to study the Foraminifera collected by the Fish Commis- 

 sion. Mr. J. Walter Fewkes, of the Museum of Comparative Zoology, 

 at Cambridge, Massachusetts, has continued to report upon the free 

 Medusae collected by the U. S. Fish Commission steamer Albatross. 

 Prof. Leo Lesquereux, of Columbus, Ohio, has been engaged in the 

 identification of the fossil plants collected in Oregon by Capt. Charles 

 E. Bendire, and has also determined the species of fossil plants from 

 the John Day Eiver region. His report on this material, including 

 the description of several new species, has been prepared by Mr. F. H. 

 Knowlton for publication in the Proceedings of the U. S. National 

 Museum. A collection of mosses gathered in the Yellowstone National 

 Park have been identified by Prof. Charles R. Barnes, of the Univer- 

 sity of Wisconsin, who has also identified the mosses collected by 

 Messrs. Lucas and Palmer on the expedition sent out by the Fish Com- 

 mission and the Smithsonian Institution to Funk Island in the sum- 

 mer of 1887. Dr. John W. Echfeldt, of Philadelphia, has identified 

 several lots of lichens from various localities. Dr. T. F. Allen, of New 

 York, has on several occasions identified specimens of Gharacece. Dr. 

 George Yasey, botanist of the Department of Agriculture, has identified 

 several sets of grasses from various places. Prof. L. H. Bailey, jr., of 

 Cornell University, has examined the extensive series of mounted spe- 

 cimens in the herbarium representing the genus Carex. A series of Am- 

 erican rocks was lent for study to Mr. J. S. Diller, of the U. S. Geological 

 Survey. Mr. J. F. Kemp has published two jjapers describing the south- 

 eastern Missouri lead region, basing his remarks upon collections which 

 were made by him, and which formed a part of the exhibit of the De- 

 partment of Metallurgy at the New Orleans Exhibition in 1884. These 

 collections are now in the Museum. A drawing of Pilocarpus pennati- 

 folius was lent for comparison to Dr. Clement Biddle, U. S. Navy. In 

 accordance with the request of the Smithsonian Institution, July 11, 

 the Navy Department detailed Paymaster William J. Thomson, U. S. S. 

 Mohican, to enable him to complete his report on Easter Island, and 

 upon the collections made by himself at that place. Mr. Henry Hemp- 

 hill, of San Diego, California, has during the past year, as in previous 

 years, rendered valuable assistance to the Department of MoUusks, 

 and has presented much valuable m^ interesting material. Dr. Will- 



