. Report of the fifty-fourth meeting of the British Association for the Advancement of Science [microform] : held at Montreal in August and September 1884. Congresses and conventions; Science; Congrès et conférences; Sciences. TRANSACTIONS OF SECTION B. 663 ,MrV(M', we .shall do Av.'ll in this, as iiulurd in all Muiilar casos in science, li nnncni- l)er till' ilaii;j:or pointed out in Itacon's aphorism, that' The mind di.'lifrhts in spriiiLr- iw^ n)) to the most f;-eiieiiil axioms, thai it may lind rest, bnt after a short slay here it disdains experience,'and to hear in mind tlint it is only


. Report of the fifty-fourth meeting of the British Association for the Advancement of Science [microform] : held at Montreal in August and September 1884. Congresses and conventions; Science; Congrès et conférences; Sciences. TRANSACTIONS OF SECTION B. 663 ,MrV(M', we .shall do Av.'ll in this, as iiulurd in all Muiilar casos in science, li nnncni- l)er till' ilaii;j:or pointed out in Itacon's aphorism, that' The mind di.'lifrhts in spriiiLr- iw^ n)) to the most f;-eiieiiil axioms, thai it may lind rest, bnt after a short slay here it disdains experience,'and to hear in mind tlint it is only tiio lawt'nl luiiun of hviiothesis withexperiment which will ])rove a Iruitlid oni: in the ostaldislmient of a'svsti'malic inorji-anic chemistry wliich need not fear comparison with the ordc^r which reiuns in the or^'anic liranch of our science. And lu'ri; it is well to bo reminded that complexity of constitution is not the solo ])rero^ative of the carhon (â¢(inijiounds, and that Lefore tliis systematisatiou of inorganic, chemistry can ho cUccted we slu'ill have to coni(^ to terms with many conqtounds concerning whose ri>iistitution we are at present wholly in ignorance. As instances of such I would ivl'er to the lini'ly crystalline ])hospho-molyl)dates, containing several hundred atoms ill the molecule, lately ]ireparod by Wolcott (.iihbs. Arising out of Kekule's theory of the tetrad nature of the carbon atom, came lliP questions which have caused much de1)ate iunong chemists: (1) Are the four cnnibining units of the carbon atom ol'(squal \alue or not !-^ and ('2) Is the assump- lioii cf a dyad carbiiii atom in the so-called non-saturated c(im])nunds (ir not h The answer to the lirst of these, a favourite view of Kolbo's, i^ given in the now Avell-ascertained laws of isomerism; and from the year 186l', when Sclioileninier proved the identity of tho hydrides of the .alcohol radicals with the so- called radicals themselves, this question nniy be saiil to


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1885