<)2 NEW YORK STATES MUSEUM 



cited by Prof. Rosenbusch in his Mikroskopische physiographie and 

 are from the type localities. 



The Lehmann collection, a suite of specimens and thin sections 

 gathered by Prof. J. Lehmann, was sent by him to the university 

 to illustrate his well known work on the crystalline schists. 



The Allen collection of minerals, which is especially rich in 

 early discoveries from American localities, includes many of the 

 type specimens illustrating the papers of Prof. O. D. Allen, late 

 of Yale university. 



There are also private collections made by Prof, Clark and 

 others of the department; also numerous small collections ac- 

 quired by gift, exchange or purchase, among others from the 

 United States national museum, the national surveys of Russia 

 and Canada, the universities of Berlin, Gottingen, Harvard, 

 Yale, Chicago, Iowa, Michigan, Alabama, etc., as well as from 

 individuals in this country and in Europe. 



Apparatus. Among the models are the following: 



1 A set including Europe, Asia, Africa, North America, South 

 America, United States and Pennsylvania, placed in the custody 

 •of the university by E. H. Butler & Co. of Philadelphia. 



2 A large relief of the state of Maryland on the scale of 2 

 miles to an inch prepared for the World's Columbian exposition 

 and deposited by the state geological survey. 



3 A model of Baltimore and vicinity on the scale of 4 inches 

 to the mile without vertical exaggeration, all of the above being 

 the work of Cosmos Mendelef of Washington. 



4 The Shaler and Davis models illustrating the development 

 of topographic form and geologic structure. 



5 The Heim models showing the structure of volcanic cones, 

 glaciers, Alpine valleys and coast lines. 



6 Models illustrating the development of the Ammonites and 

 the different types of Foraminifera. 



7 Several hundred models illustrating different phases of geol- 

 ogy, paleontology and mineralogy. 



In addition tO' the above there are several hundred lantern 

 slides and photographs. 



Library. The library in geology is very large and rapidly 

 increasing. It contains over 6000 bound volumes and 10,000 

 unbound volumes and pamphlets, among them the libraries of 

 the late Professors Williams and Lewis and the meteorologic 

 library of Prof. Cleveland Abbe, besides several large collec- 

 tions of books recently purchased by friends of the university. 

 The library is particularly rich in books of reference, contain- 

 ing full sets of most of the important journals as well as the 

 publications of foreign official surveys and museums. The 

 books cover the fields of general geology, paleontology, petrog- 

 raphy, economic geology and mining. 



