200 



TKA^'S\CTIOXS OF THE 



[xMARCH 15, 



NOTES AND AUTHORITIES. 



(1.) The membership ia these Societies is distributed as follows: 



Deutsche chemische Gesellschaft zu Berlin 2.950 



Societj' of Chemical Industry (England) 2,000 



Chemical Society of London 1,500 



Societe chimique de Paris 560 



Institute of Chemistry of (h-eat Britain and Ireland 430 



American Chemical Society . . 250 



Society of Public Analysts (England) 180 



Chemical Society of St. Petersburg 160 



Associazione chimico-farmaceutica fiorentina *200 



Ciiemical Society of Tokio. Japan 83 



Chemical Society of Washington, D. C 48 • 



Association of dfficial Agricultural Chemists (U". S. A). . 17 



Total 8,378 



(2.) Xew Elements Announced Since 1877. 



DISCOVER EH. 



1877 



1878 



1879 



1880 



1881 

 1882 

 1883 

 1884 

 1885 



Davyum Platinum ores . . . . 



Neptunium jColumbite 



Lavtesium Pyrite 



Mosandrum Samarskite 



" New eartiis". . . .Unnamed mineral, 

 Phiiippium ISamarskite 



Decipium 

 Ytterbium.. 



!'-x." 



jScandium .• 

 Norwegiuni 

 ! Samarium . 



lUralium 



Barcenium 

 Tluilium. . . , 

 Holmium. 

 Columbium 

 Rogerium . , 

 Vesbium... . 

 Comesium. 



Ya and Y/j jGadolinite 



Actinium Zinc ores , 



Di/J IGadolinite 



Nameless [ Platinum ores 



Idunium Lead vanadate 



Neodymium Didymium . . . , 



Praseodymium.. . . Didymium ... 



Za Didymium . . . 



Z/J Didymium . . . , 



Zr jTerbia 



Samarskite 



Gadolinite 



Gadolinite 



Gadolinite 



Gersdorffite 



Samarskite 



Platinum 



Misapprehension . 



Gadolinite 



Gadolinite 



Samarskite 



Samarskite 



Lava 



Sergius Kern. 



Hermann. 



Prat. 



J. L. Smith. 



Gerland. 



Delafontaine. 



Delafontaine. 



ilarignac. 



Soret. 



Nilson. 



DahU. 



Lecoq de Boisbaudran. 



Guyard. 



Editor Wagner's Jahresb. 



Cleve. 



Cleve. 



J. L. Smith. 



J. L. Smith. 



Scacchi. 



Kaemmerer. 



Marignac. 



Phipson. 



Cleve. 



Th. Wilm. 



Websky. 



Weisbach. 



Welsbach. 



Lecoij de Boisbaudran. 



Lecoq de Boisbaudran. 



Lecoq de Boisbaudran, 



* Estimated. Many chemists are members of several of the above societies, but. 

 against this duplioation may be set those not connected with societies. 



