DEPARTMENT OF GEOLOGY. 245 



(4) Peridotite from Murfreesborough, Arkansas. Obtained through Prof. J. C. 

 Brauner. 



(5) A small series of eruptive rocks (basalts, liparites, and siliceous sinters) from 

 Iceland. Gift of Mr. George H. Boehmer. 



(6) A small series of Camptonites and porphyrites from New York. In exchange 

 from Prof. J. F. Kemp. 



(7) Limonite iron ores from the Katahdin Iron Works, Piscataquis County, Maine. 

 Received in exchange from Prof. F. L. Harvey, Orono, Maine. 



(8) Four large pieces of limestone, showing glacial strisB, from St. David's, Ontario, 

 Canada. U. S. Geological Survey. 



(9) Specimens of contorted schist and of shell-marl from Dutch Islands, Narragan- 

 sett Bay, and Acquia Creek, Virginia. Gift of F. W. Crosby, Washington, District 

 of Columbia. 



(10) A large stalactite from Howe's Cave, New York. Gift of Dr. Daniel Breed, 

 Washington, District of Columbia. 



(11) A fine exhibition series of whetstones, both mounted anduumouuted. Gift of 

 the Pike Manufacturing Company, Pike's Station, New Hampshire. 



(12) Infusorial earth, Graham Station, Arizona. Gift of J. H. Huntington, Silver 

 City, New Mexico. 



(13) Dressed 12-inch cube of diabase (" Gettysburgh Granite") from Gettysburgh, 

 Pennsylvania. Gift of Perry Tawney &' Co. 



(14) Two models of Mount Shasta, California. From the U. S. Geological Sur- 

 vey. Modeled after surveys of J. S. Diller. 



(15) Eighteen boxes of rocks from the quicksilver district of the Pacific slope, as 

 collected and described by geologist G. F. Becker and assistants. 



(16) Twenty-two photographs of views in and about the Groat Dismal Swamp, 

 Virginia. Presented by I. C. Russell. 



(17) A series of specimens of eruptive granites with inclosures, from near Sykes- 

 ville, Maryland. Collected by the curator. 



(18) A small series of eruptive rocks from the Azores Islands, collected by Mr. W. 

 H. Brown as naturalist of the United States Eclipse Expedition to Africa, 1890. 



(19) Dressed specimen of coarse gray biotite granite from head of Silver Lake, in 

 Piscataquis County, Maine. Gift of S. and J. Adams, Bangor, Maine. 



(20) A large series of rocks and general geological material from Montana and the 

 Yellowstone National Park, collected by the curator during July, August, and Sep- 

 tember. This includes some one hundred specimens each of rhyolite, obsidian, horn- 

 blende andesite, basalt and calc tufa for the duplicate series, as well as large masses 

 of obsidian and tufa, a basaltic column 7 feet high, banded and faulted gneisses, and 

 quite a quantity of eruptive rocks for the exhibition and study-series. 



(21) Two samples of dumortierite quartzite from Clip, Yuma County, Arizona. Col- 

 lected by Dr. W. F. Hillebrand. 



(22) Five boxes of rocks representing the Pigeon Point contacts and the Menomi- 

 nee River and Marquette greenstones. Received from Dr. G. H. Williams. 



(23) One large slab of sandstone, showing mud-cracks, from Knowlesville, New 

 York. Received in exchange from H. H. Thomas. 



(24) A fine sample of tin ore from Cornwall, England. Gift of Mr. Samuel Lanyon. 



(25) Specimens of copper ore (chalcocite and malachite) from Allenville, Person 

 County, North Carolina. Gift of W. P. Yancey. 



(26) A series of iron ores from Virginia and Tennessee. Gift of Prof. J. H. Morri- 

 son. 



(27) A sample of silver ore from the Silver Queen Mine, Alaska. Gift of Dr. F. S. 

 Reynolds, through I. C. Russell. 



(28) A series of petroleum and derivation products from various sources. Received 

 in exchange from Prof. J. J. Stevenson, New York. 



