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 



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 



C-20H12N02 



Carbon 75'76 74'39 



Hydrogen 7'52 7'25 



Nitrogen 8'11 8'62 



Oxygen 8'62 9'64 



Y2 



