126 



ETHEREAL OILS. 



Renesse 1 in the oil of Pastinaca saliva and by Moslinger 2 in that 

 of Heracleum sphondylium. 



Fig. 7. 



Bruylants included aldehydal substances in his examination of 

 oil of tansy. 3 



1 Annal. d. Chem. und Pharm. clxi. 80 ; clxxi. 380 (Journ. Chem. Soc. 

 xxvi. 642 ; xxvii. 1145). 



2 Ber. d. d. chem. Ges. ix. 998. See also Zincke, Annal. d. Chem. und 

 Pharm. clii. 1, 1869 ; Ber. d. d. chem. Ges. iv. 822, 1872. See also Gutzeit, 

 ' Ueber das Vorkommen des Aethylalkohols im Pflanzenreiche,' Jena, Dufft, 

 1875 (Journ. Chem. Soc. xxviii. 1245). 



3 Ber. d. d. chem. Ges. xi. 449, 1878 (Journ. Chem. Soc. xxxiv. 157). 



