f 543 ) 



l'"iii;illv lliis oliscrN ;il i(»ii ; il is nol oiir purpose ld ciiiiduisi/.c cxcii 

 ill llic sliiiiitcsl (Icurcc llic altoxc-iiiciilioiKMl llicorciii, ii|) lill now acci- 

 (Iciilallv ivMiiaiiicd iiiiiiolic(Ml. NcmIIkt liaxc wc in \ icw lo poini onl 

 llial for cacli pai-allclolopo I*„ llic dia.üonals and llic sides riiniisli 

 e(|iial Slims of s(|iiai'('s and llial all possilile relalions helwccii dia- 

 gonals niiiliiallv eau l)e represenled in llie al)o\-e inenlioiKMl fonii. 

 A>'liilst i-ererriiiLi- l'<»i' lliis lo a paper, lo appear sliorilv in lli(> " Archives 

 Tevlcr". wc repeal here, lliat this sliori eoniinniiicalion wasii-i\cii lo 

 satisfN Ihe wish lo show also lo non-prolessional nuilhenialiciaiis hv 

 means ol' a simple example how Ihe sliidv of polydimensiojial .uco- 

 melrv inav lead i. a. lo Ihe diseoxerv of iie\\ iheoreiiis of plane or 

 solid licomelrv. 



Chemistry. — -'(h/. ///<■ dtoniic /i^rit/IiJ of Anliinoinj." 1)V Prof. 

 Eknst ('oiif.n and Mr. Tii. Stkkn(]kus. (romniiinica((M| hv Prof. 

 W. H. Julius). 



(Cluniuiuniciilud in the mectiiiii' ol' F('hrn;ay 2S, 1 '.)(>;{.) 



I. In connec'lioii Avitli a phvsico-cdiemical sindy on Ili(> nature 

 of so-called (Wjilosirc <iiitliiionji eondiicled by one of iis (( \) conjoinll v 

 Willi ])r. AV. E. RiXGKK, llie (pieslioJi of Ihe exact atomic weight of 

 ajilimony became a \(:^v\ important one. 



Xotwillistanding- a niimher of imestigators ^) luive attempted to 

 determine this atomic weiuht, it is not as yet k^o\^•n with siiflicieiil 

 certainly. 



('LAi{KK") Slims lip his criticism on the delermiiialions made up 



to the present with these words: '' This result, therefore, should 



he ad()|)te<l until new delerminations of a more conclnsi\e nature, 

 have been niaile.' 



1) Bkhzklr-s, Puogknd. Anniden 8, 1 llSiiii); Ivksslki;. il)i«t. 95. 21.") (IS-j,")); 

 ScHX'i'iDKi!, ibid. 98, i2'.« (lsr)0); liosK uml VVkbkii, 98. ir».") ( IS.M;) -. Dkxtku, ibid. 

 100, 303 (1857); Dlmas, Aimales dr cbiinie ol i\r |)liysi(|iic i3l, 55, 17r> (185!»): 

 Ke-sslek, Fogg. Ann. 113, H.') (1801) ; üx(;Kit, An.'liiv dor Pliannacio 197, PJ'nl87l) : 

 Cooke, Proc. Amor. Acad. 5, 13 (1877); Kessi,eii, iJor. doutsolio clioiii. Cicscllsclialt, 

 12, ]04-i- (187'.>): SciiMuiiKr., Potior das Alonigewiclil dos Antiinons, Borlin 1880. 

 Journal f. piakl. (Ibomio ('1) 22, 131 (1880); Cooke, Amor. .lomn. Scionoes and 

 Arts, May 1880; H. B. 13, '.)5i (1880); Pkeifeh, Lieb. Ann. 209, 101 (1881): 

 PoFPKii. ibid. 233, ir)3 (1880): I love sin/,, P. 1). 16. P.)'rJ (1883); G. CI. Friond 

 and PiMiAii P. Smitii, •loiiiiial Ann'ric ( Ibomioal Soo, 23, 50t2 (llK)l). 



") 'fiio coiislanis <>r iinhiii.', Sniiibonian Miscellanooiis Collections Part V, 

 Wasliinuton 18'.>7. 



37 



Pioceoiliiigs luiyal Aoail. Am.^toidam. Vol. V. 



