326 



MR C. G. WILLIAMS ON DISTILLATION OF CINCHONINE. 



The following is a list of the substances analysed in this paper,- 



Platinum salt of pyridine, 

 picoline, 

 Lutidine, . 



10 a 

 C 12 H 7 



N, 

 N, 

 N, 



H CI, Pt Cl 2 

 H CI, Pt Cl 2 



Platinum salt of lutidine, . 



^14 H 9 



N, 



H CI, Pt Cl 2 



methyl-lutidine, 



C 16 H ll 



N, 



H CI, Pt Cl 2 



collidine, 



C 16 H ll 



N, 



H CI, Pt Cl 2 



cliinoline, 



C 18 H 7 



N, 



H CI, Pt Cl 2 



Lepidine, .... 

 Platinum salt lepidine, 

 Hydrochlorate lepidine, - . 

 Nitrate lepidine, 

 Bichromate lepidine, 



C 20 H 9 

 C 20 H 9 



C 20 H 9 

 C 20 H 9 



^20 "^9 



N, 

 N, 

 N, 

 N, 

 N, 



H CI, Pt CL 

 HCl 

 N0 5 HO 

 2 Cr 3 , HO 



Hydriodate amyl-lepidine, 



C 30 H l< 



,N, 



HI 



