1898.] on Some Recent Besults of Phjsico-Chemical Inquiry. 647 



This list is as follows :— 



Water HgO. 



Bromine Brg. 



Nitrogen peroxide NjO^ . 



Paraffins and Unsaturated Fatty Hydrocarhons. 



Pentaue CM^.iCM.^.QR,. 



Isopentaue (CHaXCH.CHo.CHg. 



Hexane CH3.(CH2X.CH3. 



Isohexane .. .. (CH3).CH.(CH.,)2.CH3. 



Heptane CH3.(CH-,)3.CH3. 



Isobeptane (CH3).,CH.(CH.)3.CH3. 



Octane CH3.(CH2),.CH3. 



Trimethyl Ethylene (i8-isoamylene) (CH3),,C : CH . CH3 . 



Isoprene (Peutine) CjHg. 



Diallyl (Hexine) QH.^: Cll.{GB.^\.QYi -.GU,. 



Iodides. 



Methyl iodide CH3I. 



Ethyl iodide CH3.CH0I. 



Propyl iodide CH3.CH:.CH2I. 



Isopropyl iodide (CHal^CHI. 



Isobutyl iodide (CH3).,CH.CHJ. 



Allyliodide CH, : CH.CHJ. 



Bromides. 



Ethyl bromide CH3.CH.,Br. 



Propyl bromide CH3.CH,.CELBr. 



Isopropyl bromide (CH3).,CHBr. 



Isobntyl bromide (CH3)2CH.CH.Br. 



Allvl bromide CH, : CH.CH,Br. 



Ethylene bromide CHoBr.CHoBr. 



Propylene bromide CHs.CHBr.CH^Br. 



Isobutylene bromide (CH3).,CBr.CHoBr. 



Acetylene bromide CHBr:CHBr. 



Chlorides. 



Propyl chloride CH3 . CHg . CH^Cl . 



Isopropyl chloride (CH3)2CHC1. 



Isobutyl chloride (CH3)2CH.CH,CL 



Allyl chloride CH^: CH.CH,CI. 



INIethylene chloride (Dichlorme- 



thane) CH^Cl^. 



Ethylene chloride CH.,C1 . CH2CI . 



Ethylidene chloride CH3.CHCI2. 



Chloroform (Trichlormethnne) .. CHCI3. 

 Carbon tetrachloride (Tetrachlor- 



methane) CCI4. 



Carbon dichloride (Tetrachlorethy- 



lene) CCLrCCI^. 



Stdphur Compounds. 



Carbon bisulphide .. CSg. 



Methyl sulphide (CH3)2S, 



Ethyl sulphide (CH3.CH5)2S 



Thiophen CH : CH.S.CH: CH 



I I 



2 u 2 



