xl. Annual Report. 



^46 15s. gd. On the other hand, the General Account is debtor 

 to the Wilde Endowment Fund to the extent of ^381 19s. od., 

 to the Joule Memorial Fund ^108 12s. od., to the Natural History 

 Fund ^162 3s. 3d., and, in addition, has a total net indebtedness 

 of about ;£i8o. 



Society's Library. 



The Librarian reports that during the Session 453 volumes 

 nave been stamped, catalogued and pressmarked ; 415 of these 

 were serials. The total number of volumes catalogued to date 

 is 38,560. 



The additions to the library for the Session amounted to 627 

 volumes : 579 serials, and 48 separate works. The donations 

 (exclusive of the usual exchanges) were 45 volumes ; 3 volumes 

 were purchased in addition to those regularly subscribed for. 

 During the year 150 volumes have been bound in 102 covers. 

 In the previous Session the corresponding numbers were 93 

 volumes in 92 covers. 



The additions included " Chemical Abstracts, Decennial 

 Index Volumes 1-10 (1907 — 1916), Subject Index A — Z," in two 

 volumes (8vo., Easton, Pa., 1919), published by the American 

 Chemical Society. The Society now subscribes to Discovery 

 and The Journal of Industrial and Engineering Chemistry. The 

 donations to the Society's Library during the Session include 

 gifts of books by Mr. C. L. Barnes, Messrs. Edward Bennis & 

 Co., Ltd., Mr. C. E. Stromeyer, the Trustees of the British 

 Museum (Natural History), the Patent Office Library, London; 

 the Director of the Geological Survey of India ; the Academie 

 Royale, Brussels ; the Bataviaasch Genootschap van Kunsten 

 •en Wetenschappen, Batavia ; the Yale University Press, New 

 Haven, Conn., U.S.A. ; the Bureau of American Ethnology, and 

 the Smithsonian Institution, Washington; and the Department 

 of Commerce, United States Coast and Geodetic Survey. The 

 Optical Society, London {Transactions), and the Royal Aero- 

 nautical Society (The Aeronautical Journal), have been placed 

 •on the Society's list of exchanges. 



The library continues to be satisfactorily used for reference 

 purposes. 434 volumes have been borrowed from the library 

 during the past year. The number of books borrowed during 

 the previous year was 283 and during 1917-18, 280. 



The publication of the Society's Memoirs and Proceedings 

 has been continued under the supervision of the Editorial 

 Committee. 



