AN ACCOUNT OF THE U. S. NATIONAL MUSEUM. 317 



A series illustrating the mineralogy of the Pikes Peak region, collected by Whit- 

 man Cross, of the United States Geological Survey. 



A series of original and type zeolites from Table Mountain, Gunnison County, 

 Colo., collected by Whitman Cross, of the United States Geological Survey. 



A series of uranium minerals used in the work leading to the discovery of nitro- 

 gen in uraninite and later of argon, given by Dr. W. F. Hillebrand. 



A series of copper carbonates from Copper Queen mine, Arizona, a gift of the 

 Copper Queen Consolidated Mining Company, through James Douglas, president. 



A series of azurite crystals and associated minerals from the copper regions of 

 Arizona, together with a series of vanadium minerals from New Mexico, collected 

 by Dr. W. F. Hillebrand. 



A series illustrating the occurrence and association of the zinc minerals of New 

 Jersey, collected by Wirt Tassin. 



The type specimens of warrenite. 



A slab of sodalite, size 2 by 2 inches; a polished slab of labradorite, 2 by 2 inches; 

 a slab of calcite crystals, 4 by 4 inches; two large sections of agatized wood from 

 Arizona, deposited by the Drake Company; the Ontonagon copper bowlder; a series 

 of Sicilian sulphur crystals; the Shepard collections of meteorites; the King or 

 Irwin meteorite; a suite of meteoric irons from Canyon Diablo, Arizona, varying in 

 weight from 964 pounds to a few ounces. 



To the list may be added the Stroud collection, the Hawes collection, the Abert 

 collection, the various accessions received at different times from the United States 

 Geological Survey, and other smaller collections containing valuable material of 

 scientific and other importance. 



Of tlie Department of Paleontology, Mr. Charles Schiichert, assistant 

 curator, writes : 



The feature of greatest importance is that much of our material has served in Gov- 

 ernment reports and is the basis for the geological and paleontological work treating 

 of the western part of our country. This fact is well exemplified in the great number 

 of species which have served in description and illustration, many of which are the 

 original type specimens. There are of such species 5,741. These are distributed in 

 the sections of this department as follows: 



Paleozoic invertebrate species 1, 155 



Mesozoic invertebrate species 1, 024 



Cenozoic invertebrate species 1, 304 



Vertebrate species 161 



Paleozoic plant species (Lacoe collection; 504 



Mesozoic and Cenozoic plant species 1,531 



Insect species 62 



The most complete series is the Lacoe collection of American Paleozoic plants, the 

 labeled specimens of wliich alone number upward of 18,000, and of these more than 

 500 species have been described or illustrated by Lesqnereux and White. This mag- 

 nificent collection is the result of many years' accumulation, and cost upward of 

 $50,000. It was donated to this Museum in 1891 by Mr. R. D. Lacoe, of Pittston, Pa. 



The collection of Cambrian fossils is very large, and when Mr. Walcott shall have 

 completed his studies upon this material it will be the most complete and valuable 

 series of fossils of this system extant. 



The Cretaceous collection is also quite extensive and represents much work by 

 F. B. Meek, C. A. White, and T. W. Stanton. 



The Tertiary collection of Mollusca is one of the conspicuous features of this 

 department. This collection was accumulated chiefly by William H. Dall. 



Among single objects the following deserve mention: 



A composite slab of Lower Carboniierous fossils measuring 4 by 6 feet, and show- 

 ing in high relief 106 crinoide (16 species) and other fossils. 



