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A nicctiiig \vns hcld in thc Biochcmicnl Lnhoratory, Cnmbridgc, on Octobcr 4, tlic following pipers being rend :-" Tlic rcnction of nntiinony t,richloridc u;itIi codlivcr oil niitl its unsnponifinhlc fraction," Iiy E. Lcstcr Smith iind Violct I-inzlcy.--Tlic unsnponifinhlc fraction of cod-livcr oil gives witli nntimony trichloridc in chloroform n 1)liic coloiir proportionnl to its conccntrntioii, \-licrcns the originnl oil gives n ililiit,ion curvc concnve to tlic conccntrntion nsis owing to.thc prcscncc of sonic inhihiting sii1)stnncc in its snponifinblc fraction. l'lic totirl unsnpoiiifiii1)lc friiction givcs ii dilution currc tiingcntinl :it thc origin to tlic curve for the corresponding oil. Tlicsc obscrvntions confirin tlic work of Norris rind Church, who ivcrc, Iiowcrcr, unnblc to ol)tnin qiiciiititntivc cstrnction of tlic clironiogcii, so tlint tlicir dilution ciirvc for tlic iinsnponifin1)lc friictioii crosscs tlint for tlic oil. This is nlniost ccrhinly clue to tlicir iisc of inefficicnt so1vcnt.s (pctrolciiin etlicr nnd ethylcnc cliclilorirle) for cstrnct,ion. Using ether, ct.hyl :icctntc, or chloroforin unilcr suitnblc conditions, in cwry cnsc tliiiintitat,ivc estrnction of the chromogcn lins bccii ohtninctl ; tliis wiis also found I)ossible wit.li pctrolciim et,lier, provitlcd thc sonp solution WIS rcl)cii tcdly cstrncted with Inrgc ~)roportions of tlic solvcnt. Tlic rhroniogcn nppenru to he niorc stiil)lc townrtls licnt. niitl osygcn thi1n liiin somctinics Imn siq)poscd.
*' A new tcchniquc for tho nntimony tzicliloritlc c.olour test.," I)y E. Lester Smith nnd l'iolet 11nzlcy.-
An ordinnry iticcting wns hold n t tlic Clicmical Socicty'e Rooms, Biirlingtoti Iloitsc, 011 Octobcr I , tho l'rcsidcnt, Dr. J. 11'. Diinn, being in tlic Chnir.
๐ SIMILAR VOLUMES
## BIOCHE~ICAL SOCIETY 'l'lic 156th iiicctirig of tlic! I3iochctiiiciil Society \rns Iicld itt tdio ~~I J t h ~l l l S t ~d 1Sq)criiiiciit.iil Stntioii, .l.riirpcii-I ~C I I , I.tcrtH, o i i Siitiirlliiy, Jiily 8, \\.hen tlic followiiig
Prof. 11. 11ol)iiisoii sititl tlint nii iiiiportaiit liiik in t11c cliiiiii of cvitlriicc~ siilJiiiittctl i i i siipport of tlic itiithor's view of the coiistitiitioii of liiiiiistcrol iviis tlic spcctroiiirtric tlittii iiiitl tlic iirgiiiiiciit \viis iiot qiiitc coiicliisivc. It, wis rciiiiirkiiblc