ADDITIONS TO THE LIBRARY. 



Presented. 



M. Rajna. Soil' Escursione Diurna della Declinazione Magnetica a Milano. 



G. Dewalque. Prodrome d'une Description Geologique de la Belgique. 



,, Observations sur la Correlation des Diverses Bandes. 



Dr. Heinrich Hertz. Untersuchungen ueber die Ausbreitung der Elektrischen 

 Kraft. 



Transactions of the British Laryngological and Rhinological Association. 

 Vol. I. 



F. Bashforth, B.A. Reprint of "A Description of a Machine for finding the 

 Numerical Roots of Equations." 



A. Liversidge. On some New South Wales and other Minerals. Note No. 6. 



James E. Keeler. Elementary Principles governing the Efficiency of Spectroscopes 

 for Astronomieal purposes. 



Catalogue of the Type Fossils in the Woodwardian Museum, Cambridge. 



Review of the Work of the Leeuwenhoek Microscopical Club, 1867— 1S91. 



H. H. Hayter, C.M.G. Victorian Vear Book, 1890-91. Part 1. 



And the usual Exchanges and Periodicals. 



a 



