Report of the President 5 7 



nate in receiving from Dr. Douglas and the Company many 

 years ago. A highly instructive feature is a new series of 

 specimens received late in the year, illustrating the under- 

 ground geology of the region and the metallurgical treatment 

 of the ores. Supplementary to this general exhibit is the 

 Copper Queen Cave, the material for which was collected 

 by the Curator in 1910 and 191 1 at the expense of the Copper 

 Queen Consolidated Mining Company. The reconstruction of 

 the very successful grotto and its containing case was done 

 by Mr. W. B. Peters of the Department of Preparation, under 

 the direction of the Curator. 



The systematic collection of meteorites has been rearranged 

 and the new accessions of the year incorporated. A new case 



„ has been added in which have been placed the 



Exhibition , , . , . " . ' ,. 



. large and handsome single specimens and slices 



of the collection. Furthermore, a special case 



has been provided in which the distribution of a stone shower 



is illustrated by some two thousand specimens of the Holbrook, 



Arizona, fall placed upon a surface of soil from the locality 



where the meteorite struck. 



Progress on the rearrangement of the section of the hall 

 illustrating historical geology has been interrupted by the 

 diversion of Assistant Curator Reeds to his field work in 

 Oklahoma and other important work. 



The department has received as a loan from Princeton 



University, with the consent of its owner, Mr. D. M. Barringer, 



_ „ . the Barringer Collection from Meteor Crater 



Collection * . ... 



_ . (Coon Butte), Arizona, illustrating: the famous 



on Deposit ) , , A \ • , * * . ,. 



bowl-shaped depression (4,000 feet in diameter 



and 570 feet deep) which is now considered by scientists to have 



been caused by the impact of the Canyon Diablo iron meteorite. 



Arrangements have been made whereby the Museum is to 



receive from the New York City Board of Water Supply a collec- 



tion illustrating core-drill work which has been 



„ ,, . done by the various departments of the City of 



Collections / . . . 



New York in carrying on various kinds of engi- 

 neering projects, including the Catskill Aqueduct. This collec- 

 tion is to be arranged in a convenient place and manner so that 

 it may be utilized by engineers and other students in studying 



