DEPARTMENT OF LITHOLOGY AND PHYSICAL GKOLOGY. 409 



May 28. — To Professor J. F. Kemp, Cornell University, Ithaca, New York, five 

 specim< us andesites. 



.In ,e 1. — To Prof. O. A. Derby, rour specimens rocks from Montana, Colorado, and 

 ( [ifornia. 



July 17. — To Rev. G. E. Post, Beirut, Syria, a collection comprising sixty-four 

 specimens typical rocks and ores. 



July 18. — To Prof. W. O. Crosby, Boston, Massachusetts (Boston Society Natural 

 History), a collection comprising nineteen specimens rocks and geological ma- 

 terials. 



Special reports on material received for examination and report, and 

 from persons as a rule in no way connected with the Museum, have been 

 prepared as follows : 



On Accession 183. — A clay ironstone concretion received from M. Altschul, Hampton, 

 Virginia. 



On Accession 178. — Clays received from C. W.Mitchell, Lyucbburgh, Virginia. 



On Accession 189. — Limestone and pyrite received from M. V. Wheeler, Clayton, 

 West Virginia. 



On Accession 166. — Supposed ore received from M. T. Oates and B. L. Morris, Rhome, 

 Texas. ^ ^_. 



On Accession "201. — Clay marl received from Mary P. Scott, Sioux City, Iowa. 



On Accession 203. — Chert nodule received from J. C. Allen, White Gate, Giles County, 

 Virginia. 



On Accession 222. — Rocks and ores received from Dr. J. C. Merrill, Frankford Arsenal, 

 Philadelphia, Pennsylvania. 



On Accession 220. — Weathered rock received from Mr. Charles Hallock. 



On Accession 248. — Received from Mr. John Murray, Siug Sing, New York. 



On Accession 264. — A siliceous limestone received from E. M. Treakle, Versailles, 

 Maine. 



On Accession 20678.— A supposed fossil egg received from Dr. E. G. Shellack, Allen, 

 Kansas. 



On Accession ^07. — Rock received from Dr. II. S. Lucas, Cullasaja, North Carolina. 



(in Accession 333 — Rocks received from Dr. 1". W. Taylor, Kingston, New Mexico. 



On Accession 340. — Abrading material received from E. B. Pike, Boston, Massa- 

 chusetts. 



On Accession 342. — Carbonaceous limestone received from Daniel Baker, Buckeys- 

 town. Maryland. 



On Accession 356. — Quartz and septarian nodules received from E. L. Blume, Mount 

 Savage, Maryland. 



On Accession 358. — Fertilizer (?) received from A. N. Lauderdale, Lampasas, Texas. 



On Accession 362. — Crinoidal limestone received from ,J. Voorhees, Wolverton, Min- 

 nesota. 



On Accession 364. — Calcite received from F. Kidweiler, Harper's Ferry, West Vir- 

 ginia. 



On Accession 360. — On lavas from the Hawaiian Islands received from Mr. E. D. Pres- 

 ton, U. S. Coast Survey. 



On Accession 367. — Impure limestone and clay marl received from Mr. R. T. Ellis, 

 Grimm's Landing, Wesl Virginia. 



On Accession 380. — Feldspar received from F. A. Morey, Keeseville, New York. 



On rock from I). \Y. Brunton, Leadville, Colorado, and referred by F. P. Dewey, of 

 the Museum. 



On Accession 404. — Argillaceous sandstone received from M. W. Bacon, Talcott, West 

 Virginia. 



On a sample of sandstone (building stone) submitted by Mr. Schureman, of Ohio. 



