302 SUBSTAKCES EOTOD TO POSSESS 



Caproic ether, C 12 H n O 3 + C 4 H 5 ; a very fra- 

 grant liquid, having the smell of melon and golden 

 reinette. These last two ethers were found by Miiller* 

 in the destillate of fermented juice of beet-root. 



Pelargonic ether, C 18 H" O 3 + C 4 Ii 5 O ; an oily 

 strong smelling liquid, which, according to Frankland, 

 is found in remarkable quantities in Irish w r hisky. 



Capric ether, C 20 H^ O 3 + C 4 H 5 O ; a peculiar 

 fragrant liquid, found by Eowney in the fusel oil of 

 potatoes. 



I may here notice acetate of capryl, C 4 H 3 O 3 -h 

 Q20 jji9 o ; a singularly fragrant liquid, whose existence 

 may be presumed in some wines. 



Propionic (metacetonic) ether, C 6 H 5 t O 3 + C 4 H 5 O ; 

 was found by Winckler in Bergstrasse wine the acid, 

 at least, in the destillate of this wine. This ether is also 

 very fragrant. 



Eutyl alcohol, C 8 H 10 O 3 , found by Wurtzf in the 

 fusel oil of the beet-root, a volatile fluid, smelling 

 like wine, which boils at 109 C. 228-2 P. 



Hydrated oxide of amyl (amylic alcohol), C qo II 11 O 

 -j- H 0. This liquid, which behaves like a true alcohol, 

 is commonly called potatoe fusel oil : it appears as a 

 product of the fermentation of sugar, and has nothing 

 in common with potatoe starch. It is sometimes found 

 in moutwyn, and has been detected in the fermented 

 juice of beet-root. Its presence may be assumed in 



* Journal de Pharm. Serie 3, torn. xxii. p. 160. 



t Ann. der Ch. und Pharm. Bd. 85, s. 197; Bd. 93, s. 107. 



