ANALYTICAL EVIDENCE. 323 



NOTE (38), p. 177. 



COMPOSITION OF SOLANINE FROM THE BUDS OF 

 GERMINATING POTATOES, a 



Blanchet. 



Carbon 62-11 



Hydrogen 8-92 



Nitrogen 1*64 



Oxygen 27*33 



a Ann. der Pharm., VII., 150. 



NOTE (39), p. 177. 

 COMPOSITION OF PICROTOXINE. a 



Francis.'* 



Carbon 60-26 



Hydrogen 5*70 



Nitrogen 1-30 



Oxygen 32*74 



a In another analysis, M. Francis obtained 0*75 per cent, of nitrogen. 

 The picrotoxine employed for these analyses was partly obtained from the 

 manufactory of M. Merck, in Darmstadt, and was partly prepared by M. 

 Francis himself ; it was perfectly white, and beautifully crystallized. Reg- 

 nault, as is well known, found no nitrogen in this compound. 



NOTE (40), p. 177. 

 COMPOSITION OF QUININE. 



Liebig.* Calculated 



CioHi2NOj 



Carbon 75*76 74*39 



Hydrogen 7*52 7*25 



Nitrogen 8*11 8*62 



Oxygen 8*62 9*64 



y2 



