150 REPORT OF NATIONAL MUSEUM, 1889. 



that the work was done in the hottest part of the summer. Prof. Otis 

 T. Mason contributed a comprehensive ethnological collection, Mr. 

 Thomas Wilson a synoptical series of objects, illustrating prehistoric 

 anthropology, the remains of primitive mau in the new world and the 

 old being shown side by side. Mr. Cosmos Mindeleff, who was detailed 

 for this work by the director of the Bureau of Ethnology, prepared a 

 display of the arts and architectures of the Pueblo Indians of the south- 

 west. Dr. Cyrus Adler selected from the treasures of the section oi 

 Oriental Antiquities an exhibit of Biblical archaeology. 



The history of transportation by laud and water was happily and suc- 

 cessfully shown by Mr. J. E.Watkins, who received most important aid 

 from the Baltimore and Ohio and Pennsylvania Railroad Companies, 

 and a supplementary display of models of ships and boats was arranged 

 by Oapt. J.W. Collins. Mr. S. R. Koehler, with great energy and en- 

 thusiasm, brought together a most instructive collection, illustrating 

 the history and methods of the graphic arts, supplementing the collec- 

 tions already in the Museum by loans from his private collection and 

 from those of his friends and correspondents. Mr. T. W. Smillie 

 gathered a similar collection to illustrate the history aud present condi- 

 tion of the art of photography. Mr. F. W. True, assisted by Mr. F. A. 

 Lucas, prepared a collection showing the classification of mammals. 

 Mr. W. T. Horuaday, by means of specimens and pictures, preached a 

 sermon upon the extermination of the native animals of North America. 

 Mr. Robert Ridgway exhibited an attractive collection of birds; Prof. 

 C. V. Riley, aided by Mr. John B. Smith, prepared a collection showing 

 the classification of North American insects. Dr. R. E. C. Stearns and 

 Mr. Rathbun contributed a few cases from the departments of Mollusks 

 and Marine Invertebrates. Mr. F. H. Knowltou prepared an exhibit 

 from the botanical collections, and Mr. W. S. Yeates, under the super- 

 vision of Professor Clarke, arranged a case of North American gems 

 and precious stones. All of these contributions are, as I have said, 

 somewhat fully described in Mr. Earll's report, and this passing refer- 

 ence is made solely for the sake of making proper acknowledgment to 

 those to whom the success of our work at Cincinnati is entirely due. 



Special reference should be made to the work of Mr. W. V. Cox, who 

 in addition to his regular duties in the Museum, undertook the financial 

 administration of the work and carried through without a single disal- 

 lowance from the Treasury the complicated and perplexing expenditures 

 of the exposition's service. This was a task of much difficulty owing to 

 the loose wording of the Congressional act providing for the participa- 

 tion ot the Government departments, and still more to the capricious and 

 unprecedented decisions of the special auditor appointed by the Presi- 

 dent to audit the exposition accounts. In this work Mr. W. W. Karr, 

 who also rendered volunteer service, and Mr. W. H. Kimball, Mere ex- 

 ceedingly faithful coadjutors. 



Mr. Cox was also charged with the preparation of a special display to 



