240 REPORT ON NATIONAL MUSEUM, 1886. 



Merrill, G. P. Collectiou of serpeutiuo froui llobokou, N. J. Basalt I'rom coast of 

 Irolaud. Rocks from Auburu, Lewistou, a,uil Miuot, Me. 



Mexican Geographical Exploring Comminsion. Quo Luudred aud lifty specimcus rocks 

 and building stones of Mexico, including a fine series of the celebrated "Mexi- 

 can onyx." 



Mississijijn State Commissioners to the jVcw Orhuiis Expoaiivjn. Three samples building 

 stone from Mississippi . 



New Orleans Exposition. One large concretion aud one large block of volcanic breccia. 



G'Leary, Dennis. Specimens from the memorial stones sent from Germany, Japan, 

 Brazil, Cherokee Nation, Marylaud, and Massachusetts for the Washingtou Mon- 

 ument. 



I'eale, Dr. A. C. Volcauie dust from Kausaa and Montana ; one sandstone and one 

 l^yrite concretion, Montana. 



Furchascd. Three samples Mexieau onyx cut iu form of paper knife aud paper 

 weights. 



lUce, Prof. WiUiatu North. A collectiou of 30 rocks and shells from Bermuda. 



Eoesler, F. E. Two samples building stone aud oue grindstone from Texas. 



Saylcs, Ira. A series of weathered limestones, concretions, aud stalagmitic deposits, 

 Tennessee. 



Shepherd, A. li. Two specimens stalactites from Botopila, Mexico. 



South Carolina Commissioners to the New Orleans Exposition. Twelve samples building 

 stones from South Carolina. 



State Department. Fifty-three saujples building stone from Nova Scotia and New 

 Bruuswick. 



Stcjiieger, Dr. L. A collection of some 40 specimeua rocks from Copper aud Behriug'g 

 Islands. 



Swiss Centennial Commission 1876. Eighty specimeu rocks from the St. Cothard Tuu 

 uel. 



Trigg, J. S. Six small pieces aud oue large slab "Madrepore" marble, Charles City, 

 Iowa. 



True, F. W. Collectiou of rocks from Loudoun Couuty, Va. 



Turner-, L. M. Collection of rocks from Uugava, Labrador. 



Wadsworth, Dr. M. E. Volcanic dust from Dakota. 



Jl'ard and Howell. One large slah of limestone with glacial markings, from Roches- 

 ter, N. Y. 



lyUliams, Dr. Geor ge II. A collection of 25 native and foreign rocks. 



Winchell, Prof. N. II. Fifty pounds catlinito, from Pipestone Couuty, Minn. 



U. S. Geological Survey. Twelve relief maps, including models of Mouut Taylor, New 

 Mexico ; Washoe District, Nevada; Eureka District, Nevada ; Uinta and Was- 

 atch Mountains, Utah ; Leadville aud vicinity, Colorado : The same in sec- 

 tions; High Plateaus of Utah; Henry Mountains, Utah; Stereogram of the 

 Henry Mountains, Utah ; Elk Mountains, Colorado ; Yosemito Valley California; 

 and the Yellowstone National Park. 



Tho preparation of the Jcsup collection of building stones for the 

 American Museum iu New York City, of which mention was umde iu 

 my report for tho six montlis ending June 30, 1885, consumed a large 

 portion of the time up to January 1. This work was completed at 

 about the date noted, and the collection is now packed and awaiting 

 shipment. It comprises some 1,073 sami^les in the form of 4 inch cubes 

 and 1,000 thin sections for microscopic study. All the leading quarries 

 in the country are represented, and next to our own this may be consid- 

 ered the most complete and systematic collectiou of its kind in the 

 United States. What time was not taken uj) by tbis work has beei; 



