x8 Field Museum or Natural History — Reports, Vol. V. 



Glendivc, Montana, and several additional specimens of moss agate 

 thowing remarkable imitative landscape cfTccts, loaned by him, furnish 

 excellent specimens of a remarkable (xrcurrcncc of this mineral. Mr. 

 Fred Pattec contributed a number of specimens of ores and industrial 

 minerals from various western localities. These gifts included ores of 

 copper and \'anadium, also specimens of phosphates, asbestos and barite. 

 An interesting series of copper ores showing stages of replacement of 

 hornblende by copper minerals was presented by Dr. F. C. Nicholas, 

 also a valuable specimen of tun^'stcn ore. A striking and valuable 

 epcdxncn of gold ore from the Smuggler-Union mine, Colorado, was 

 p res en ted by Mr. T. S. Chalmers. The India Geological Survey pre- 

 sented several specimens of Indian latcrite, thus securing a representa- 

 tion of this pecuhar mineral which liad not hitherto been possessed. 

 The representation of the Los Angeles fossil fauna was increased by 

 the gift of 532 specimens by Dr. William Bcbb. These specimens 

 included several hundred bones of Smilodon, a large number of 

 bones of the fossil wolf and some of the fossil horse, sloth and bison. 

 The Colorado-Yulc Marble Company presented .six full-sized slabs 

 showing the varieties of marble obtained at its quarries. The col- 

 lection of fuller's earths and baritcs which had hitherto been 

 quite incomplete, was increased by the gift of specimens from several 

 firms producing these substances. Of these, fuller's earths were pre- 

 sented by the Manatee Fuller's Earth Corporation, the Floridin Com- 

 pany, J. E. and R. M. Famsworth and the Lester Clay Company; and 

 barite \**as presented by the Cherokee Chemical Company, Durex 

 Chemical Works, Krebs Pigment and Chemical Company, and Thomp- 

 son, Weinman and Company. Mr. H. R. Wood, the producer, pre- 

 sented four specimens of tungsten ore from Arizona, and C. K. W^illiams 

 and Company three specimens of crude and ground talc. Nine speci- 

 mens of iron ore from the unusual deposits that occur at Ma>'\-ille, 

 Wisconsin, were presented by Mr. E. S. O'Connor. Mr. Max Zi^e 

 presented 33 specimens of ores from the Ruby Mountain District, 

 Nevada, which included copper, antimony and silver ores and accom- 

 panj-ing rocks. Exchanges made with several individuals and institutions 

 resulted in adding desirable material. The most important accession re- 

 ceived in this way was obtained from the Descret Museimi, Salt Lake 

 City, Utah, and consisted of fifteen specimens of the products of the 

 Great Salt Lake, Utah, and fifteen brilliant and rare specimens of 

 cr>-stallized p>Tite and tetrahedrite from Bingham, Utah. The Salt 

 Lake products included brines, calcareous o6lite, mirabilite and various 

 forms of common salt, all obtained from the waters of the lake. A slab 

 of the Big Skookum meteorite was obtained by partial exchange with 



