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to Jiiliir ibn Hnyyan, niid mcrcly rcmnrks tlint n book on poisons attributed to Jnbir does iiot occur in 1Sorcl's Bibliotliccci cliciiiicii " ("HRIU burg, I G X , 07 " ; in iuy cditioii, l'iiris, 1G54, p. 102, the works of Ueber tirc given). Steinschnritlcr docs iiot sccni to linvc separated Gelicr ant1 tJnbir. Prof. Lippinnnn now states, as Iic hau tloiic on sevcrirl occnrioilu, that tlic rciiinrk of Steinschiicidcr led ICopp to rcvisc his views on Cebcr, that in doing so hc prncticnlly nrrircd nt thc vicw cxprcused by Bcrthclot, niid that tlic latter iiicrely ridded the last link in tlic chain, " if, in vicw of thc nbovc statciiiciit, this WIS rcnlly ~icccss~iry." Kopp's conclusion was that " with reserve I cnii still rcgard thcsc works as Gcbcr's and wsumc that they nrc translated froiii the Arabio " (Ueitriigc, vol. 3, 1). 33). ICopp's investigation, nltliougti valuable, is bwcd 011 thrcc Into printed tcsts of Geiier and otlicrwisc largcly on library cntalogucs, not OIL manuscripts. T h y arc suiumnriscd by Prof. Lippiuann 011 p. 4% of his 'I Alcliciuic," nitd aiiiouiit t o the observation t h s t tlic :iccouiits of Cebcr (Jnbir) given by
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## OHEAIISTIIP ANI) INDUSTLIS 2ti.i ## INSTITUTE OF CHEMISTRY At the fifty-ninth iiiiIi\iiLl generid iiie(!tiiig of t,liv Iiist,itute of Cheniistry, lieltl in the 11ii11 of the Institute, in Russell Square, on AIondiiy, AInrcli I, the Presidelit, Ilr. It. FI. Pickiirtl, F.R.S., in prescnting tl
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