PAV.IBRT Z)YF%IYICATIOSS
mny bc obtnlned by poet by remitting an folloivi :-Bnuliah.-8d. coch, to tlic Coniptrollcr of the I'ntent OfllCO, c. s. DPltOn. Eeq., Soutlinmpton Buildings, Cbnccry Lone, London,m.C. Uniled Sfolcs.-ls. onch to tlic Secretary of the Soclctv. Pr8iuh.-l tr. 26 c. ooci. t o Bclin c t Cie, 66, Itue cics Prnnca-Bourgaola. ~o r i a (s.). Omcial Notices. c o w U ~~A T I ~N S . Authors of conirnunications rcnd beforo the Society, or any of it8 h c n l Sections, nro rcyueeted to inko notice thnt ,under Rulc 43 of tlrc Byc-lr+~e tlic Socicty lins tllc right of .priority of publicrtiori for thrco months of 1111 such p n ~" t i . 'Infringement of this I)p~..lnm rcridcrs pnpcrs linble to bo .rojectcd by tho Publicntion Conimittcc, or ordered to be abstracteil for tlic Journctl, in which cum no rcprints cnn bo furniulid to tho nutliar.
-,BIXTH I"J?EIZXA'1'IONBL COSGRESS OF APPLIED CHEMISTRY. ROhJE, 1900. The Sixth Intcnintionnl hngrcss of Applied Cliomistry ill bc licld in Rome. conurielicing on April ?5tl1, 1900. All commnnicntione at~ould bn nildressed to the *Gonernl Socrctnry, Prof. Vittorio Villavccchia, Via Panispornn, 89, Ronio. Mombere nrc rcmindcd t h t tho subscription of 258. for 1000, pnynblc on Jnnuarv let, sliould bo sent in good tiinc to tlic Hon. TrcnRuircr (nlr. Sniiiiicl Hnll) in ordcr to cnauro continuity in the rccdpl of tho Socioty's . Journnl. Any<clinrigcs of nddrcss for tlio nbw LisL of BJoinbcrs now in coursc of prepnration ~liould rcncli thc Guncrnl Seerotary uot lntor tlinu Jnnunry slat, 1000.