326 



M. KUUAKA 



It thus !i|)])o;u\s that the niimljers found l)y tlic new way of (alcuhi- 

 lioii a^■l•et' better with the observed ones, in .^onie ca.se.s, than with 

 those eahaihited witli Kopjj's \ah7es. 



Now the principal formula' for eaniphor suggested by different 

 ehemists are six in number, namely : 



(1) 



C3H7 



I 

 CH 



/\ 



n.G I'll., 



"I I ' 



HC C=0 

 \/ 



c 



CH3 



Ivekulé. 



(-0 



H.,C— CH., 



/ \" 



CH3-C C-C3H7 



HC-Ü-CH 



Victor Meyer. 



H„C CH., 



/ \ 



H„C CH„ 



"I I " 



H.,C CH., 



■\/ " 



/ \ 

 HoC-O-CHj 



Hlasiwetz. 



(^) 



(^0 



(^) 



rO 



If we suppose the above method of calculation to be true there 

 may exist in camphor, a closed chain of six carbon atoms and 



( 1 ) Ber. d. deut. cliem. Gesell. VI - 929. 



(2) „ „ „ „ „ m -116. 



(:î) „ „ „ „ „ III -540. 



( + ) Annal.^n d. Chem. CLX V - 185. 



(5) Ber. d. deut. chem. Otesell. XVI - 3051. 



(G) „ „ „ „ „ „ XI -1698. 



