124 REPORT OF NATIONAL MUSEUM, 1920. 



courts of law. Six years were spent in revising the last Pharmaco- 

 poeia, and the current edition of this book, the tenth, represents the 

 labors of a Revision Committee of fifty-one elected by the Conven- 

 tion of 1010. and composed of doctors, pharmacists, and chemists. 



The written and printed records of this great work were deposited 

 in the National Museum by the United Stales Pharmacopoeial Con- 

 vention. Incorporated, on May 11, 1020. and consists of the following 

 documents : 



"Letters" of the Executive Committee of Revision 1910-1920, 3417 pages; 



"Circulars" carrying the correspondence and votes (if General Committee of 

 Revision 1910-1020, 2000 pages; 



Published abstracts of proposed U. S, P. Changes; 



The original manuscript of the U. S. P. 9th Revision; 



Galley proof for correction by Committee Members; 



Assembled comments on galley proof; 



Page proof for correction by Committee Members; 



Assembled comments on page proof; 



Foundry proof; 



Plate proof; 



Also the manuscript for the Spanish edition of the 9th Revision of the 

 Pharmacopoeia. 



These records, taken with the copies of practically every edition of 

 the Pharmacopoeia already owned by the National Museum, cover 

 the history of a remarkable book extending over a hundred years. 

 A part of the written record of this history has been added to the col- 

 lections by the receipt of a copy of the " Life of Dr. Lyman Spalding, 

 the Originator of the United States Pharmacopoeia." which was con- 

 tributed by the author, his son, Dr. James A. Spalding, of Portland, 

 Maine. 



'There has been added to the exhibition collections of the section of 

 wood technology, a most noteworthy series of illustrations prepared 

 for the National Museum by the U. S. Forest Service. This consists 

 of 48 colored bromide enlargements and 25 colored transparencies. 

 The bromide enlargements are divided into four sets shoAving " Types 

 of Lumbering," " Steps in Lumbering," " Forest Industries," and 

 " Forest Service Work," and each of these contains 12 scenes with 

 appropriate sub-headings. These pictures are to be set in a raa- 

 hoganized frame and placed as a frieze around the I-beam support- 

 ing the gallery over the Wood Court. The transparencies represent 

 typical forest scenes in different parts of the country, particularly 

 in the region of the National Forests, and are to be placed on top of 

 the north wall case in the Wood Court. It is planned to install 

 lighting fixtures behind these transparencies, so that what has been 

 the darkest part of the space allotted to the wood collections will 

 develop into one of the most attractive. 



