RECENT ADDITIONS TO THE LIBRARY.— (<////////, v/', 



London -Physical Society. Report on Riidiation and the (^uanuini 



Theory. % J. 11. jeans. London, 1914. (AVi,/. j/z'/W./zy.) 

 Madison.— State Historical Society of Wisconsin. Keul^en Gold 

 llnvailes. IJy 1'. J. Turner. Madison, Wis., 1914. (A'eaf. 



Philadelphia. --American Philosophical Society. An Historical Account 

 of the Origin ... of the American Philusopliical Society. By 

 P. .S. dii Ponceau. Philadelpliia, 1914. (A'<vv/. J4lv//t.l 14.) 



Washington.— United States Coast and Geodetic Survey. Results of 

 Magnetic Ohservalions . . . U.S. Coast and deoilelic Survey. 

 Py K. L. Paris. (Special Bulletin, N<i. 15.) Washington, 191 3. 

 ( Keid. uli'i.ji^. ) 



. Fourth Ceneial Adjustnienl . . . level Net . . . United Slates. 



By W. Howie and 11. (',. Avers. (Special Bulletin, No. 18.) 

 Washington, 1914- (A'enL /■J'/7'/.//y. ) 



. Results of 01)servations . . . U.S. Coast and Geodetic Sur- 

 vey at the Observatory at Sitka, Alaska. By D. L. Hazard. 

 Washington, 1914. {A'r'ii^. /.?/z7'.//^. ) 



A fid the usual Exchanges and Periodicals, with the exception 

 of those received from Belgium, Russia, Germany^ and 

 A ustrii I - Hu ngar) \ 



