The United States National Museum 363 



and is especially rich in specimens of cinchona. Of the latter 

 series Doctor J. M. Flint, U. S. N., the Honorary Curator, 

 writes : 



" I regard the collection of cinchona products as the most 

 important in the Materia Medica Section. This collection 

 embraces specimens of nearly all the natural cinchona barks 

 of South America, every variety of the cultivated product 

 from the government plantations in India, together with 

 most of the cultivated sorts from Java, Ceylon, Jamaica, and 

 Mexico. The India and Jamaica collections comprise also 

 herbarium specimens of the leaf and flower, and in many 

 cases the fruit of each variety of cinchona tree from which 

 the bark is taken." 



Of the Section of Graphic Arts, Mr. S. R. Koehler writes : 



"This Section was definitely organized in January, 1887, 

 although its beginning goes back to at least the year 1884. 

 From a very few specimens then on hand the collectors in 

 this section have increased to the number of five thousand 

 six hundred and twenty specimens at the present writing, but 

 as many of the entries on the catalogue cover more than one 

 specimen, it will be safe to say that the total number is about 

 six thousand. 



"The aim of the Section is to illustrate the various pro- 

 cesses of making pictures by lines and masses, either black 

 or in colors, by hand, or with the aid of machinery, and the 

 application of these processes in the industrial arts. To 

 reach this aim, all the methods of making pictures that have 

 ever been essayed are eventually to be illustrated. — and many 

 of them are already illustrated, — by the tools and materials 

 used, by the product in the various stages of progress, and 

 by historical examples showing the development of each pro- 

 cess, from the invention to the present time." 



In addition to the collections already noticed, the museum 

 possesses a good series of musical instruments, assembled 



