240 REPORT ON NATIONAL MUSEUM, 1886. 



Merrill, G. P. Collection of serpentine from Llobokon, N. J. Basalt from coast ol 

 Ireland. Rocks from Auburn, Levvistou, and Minot, Me. 



Mexican Geographical Exploring Commission. One hundred and iifty (specimens roc 

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

 can onyx." 



Mississippi State Commissioners to the New Orleans Exposition. Three samples building 

 stone from Mississippi. 



New Orleans Exposition. One large concretion and one large bloek of volcanie breccia. 



O'Lcary, Dennis. Specimens from the memorial stones sent from Germany, Japan, 

 Brazil, Cherokee Nation, Maryland, aud Massachusetts l'or the Washington Mon- 

 ument. 



Peale, Dr. A. C. Volcanic dust from Kansas and Montaua ; one sandstone aud one 

 pyrite concretion, Montana. 



Purchased. Three samples Mexican onyx cut in form of paper knife and paper 

 weights. 



liice, Prof. William North. A collection of 30 rocks and shells from Bermuda. 



Roesber, F. E. Two samples building stone aud one grindstone from Texas. 



Sayles, Ira. A series of weathered limestones, concretions, and 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 samples building stone from Nova Scotia and New 

 Brunswick. 



Strjneger, Dr. L. A collection of some 40 specimens rocks from Copper aud Bearing'^ 

 Islands. 



Swiss Centennial Commission 187G. Eighty specimen rocks from the St. Got hard Tun 

 nel. 



Trigg, J. S. Six small pieces and one large slab " Madrepore" marble, Charles City, 

 Iowa. 



True, F. W. Collection of rocks from Loudoun County, Va. 



Turner, L. M. Collection of rocks from Ungava, Labrador. 



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



Ward and Howell. One large slab of limestone with glacial markings, from Roches- 

 ter, N. Y. 



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



Winchell, Prof. N. H. Fifty pounds catlinite, from Pipestone County, Minn. 



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

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

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

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

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

 and the Yellowstone National Park. 



The preparation of the Jesup collection of building stones for the 

 American Museum in New York City, of which mention was made in 

 my report for the six months ending June 30, 18S5, 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 samples 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 collection of its kind in the 

 United States. What time was not taken up by this work has beer 



