Annual Report of the Council. xxiii. 



The Librarian reports that during the Session 271 volumes 

 have been stamped, catalogued and pressmarked; 258 of these 

 were serials, and 13 were separate works, 35 catalogue cards 

 were written: 20 for serials', and 15 for separate works. The 

 total 'number of volumes catalogued to date is 38,107 for which 

 14,100 cards have been written. 



The library continues to be satisfactorily used for reference 

 purposes. 2 S3 volumes have been borrowed from the library, 

 during the past year. The number of books borrowed during the 

 p4*evioius year was 280 and during 1916-17, 284. 



During the year 93 volumes have been bound in 92 

 covers. I'n the previous Session the corresponding numbers were 

 207 volumes in 165 covers. 



The additions to the library for the Session amounted to 

 270 volumes: 2 58 serials, and 12 separate works. The donations 

 (exclusive of the usual exchanges) were 18 vohimes ; 3 volumes 

 were purchased in addition to those regularly subscribed for. 



The donations to the Society's Library during the Session, 

 include gifts of books by the Trustees of the British Museum 

 (Natural History), the Meteorological Ofhce, London, and 

 Mr. T. A. Coward, Mr. C. E. Stromeyer, and the Manchester 

 University Press. 



The Society has purchased Vol. xvi. of the Royal Society's 

 Catalogue of Scientific Papers. 



During the Session the eleven volumes of Dalton's Herbarium 

 have been renovated and catalogued by Miss A. McK. Crabtree and 

 Mr. R. S. Adamson and a paper dealing with the history and con- 

 tents of the herbarium and Dalton's botanical work was read before 

 the Society on February 4th. A special case is to be provided for 

 the housing of the volumes. 



The Society is greatly indebted to Mr. P. E. B. Jourdain, for 

 the valuable gift of a large medallion of Dalton which was 

 previously in the possession of his grandfather, Dr. Charles Clay, 

 who was elected a member of the Society in 1841. 



Mr. E. Hardcastle has presented to the Society a model of 

 Volta's Orig^inal Pile. 



