AND ITS RELATION TO ANIMAL LIFE 



45 



From Watts' Dictionary of Chemistry 

 Diseased potatoes unfit for food 

 either for man or beast. 



Foods : Their Composi- 

 tion and Analysis, by 

 Wynter Blyth, on pages 

 218, 219, gives the com- 

 position of the ash of the 

 potato according to 53 

 analyses by E. Wolff. 



Nor are drugs free from variation, as the 

 following from Medicinal Plants, by Robert 

 Bentley, F.L.S., M.R.C.S., and H. Trimen, 

 M.B., F.L.S., vol. ii. p. 140, under Composition, 

 indicates. Cinchona Bark, showing variation 

 of same as recognized by analysis 



" The analyses of Howard show that the 

 different varieties of Loxa or Crown bark vary 

 very much in the proportion of alkaloids they 

 contain. Thus the original or old Loxa bark 

 yielded him an amount of alkaloids equalling 



