XXVI' ASSOCIATION LIBRARY. 



Smithsonian Institution (United States National Museum) : 

 Contributions from the United States National Her- 

 ibarium. 



Entomologv. 



Report of the South African Central Locust Bureau. 

 Zeitschrift fiir wissenschaftliche Insektenbiologie. 



.\STR0N0.\1V, M.VrHEMATlCS AND PhYSICS. 



Memoirs of the Royal Astronomical Society. 



Alonthly Notices of the Royal Astronomical .Society. 



Transvaal Observatory Circulars. 



Observatoire Royal de Belgique ; amiuaire astronomique. 



Journal of the British Astronomical Association. 



Memoirs of the British Astronomical Association. 



Kungl. Svenska Vetenskapsakademien : Arkiv for Matematik, 



Astronwni och Fysik. 

 Proceedings of the London Mathematical Society. 

 Die Tatigkeit der physikalisch-technischen Reichsanstalt, Char- 



lottenburg. 

 Report of the National Physical Laboratory, Middlesex. 

 National Physical Laboratory : Collected Researches. 

 Proceedings of the Physical Society of London. 



Political Economy and Social Science. 



LTnited Empire. 



International Institute of Agriculture, Rome: Bulletin of the 

 Bureau of Economic and Social Intelligence. 



Geography, Oceanography and Hydrography. 



Societa Italiana per il progresso delle Scienze : BoUettino del 



Conaitato talassografico. 

 The Geographical Journal. 



Bulletin of the American Geographical Society. 

 United States Geological Survey: Water Supply Papers. 



Engineering. 



Proceedings of the American Institute of Electrical Engineers. 

 Journal of the South African Institute of Engineers. 

 Transactions of the South .\frican Institute of Electrical 

 Engineers 



Technology. 



Patents for Inventions : .Vbnidgments of Specifications. 



