TABLE OF CONTENTS. XXV 



PAGE 



Tests, comparative, on seed-corn -------- 312 



Action on insects ----------- 312 



Uses 312 



114a. Carbonic Oxide, CO. 



Preparation - ■ - 312 



Properties - 312 



Action on red corpuscles - ■ ------- 312 



Uses - - - 312 



Alcohols - - 312-15 



115. Methyl Alcohol, CH..pH. 



Preparation 313 



Properties ----- 313 



Use in admixture ----------- 313 



German recipes ----------- 313 



Another recipe 313 



116. Ethyl Alcohol, C.^HjOH. 



Preparation - - - - 318 



Properties 313 



Action on plants ----------- 313 



Use against insects ---------- 313 



Disinfection of Hower seed --------- 313 



117. Amyl Alcohol, CgHnOH. 



Preparation ------------ 314 



Properties - 314 



Action on plants 314 



Action on insects " - - 314 



Uses 314 



Proprietary insecticides into which amyl alcohol enters with their ingredi- 

 ents : — 

 " Nessler's," " Aphidin," " Antivermin," " Amylocarbol," Fichet's composi- 

 tion of " Nessler's " 314 



Composition of "Knadolin" - - - 314 



Composition of mixed amyl alcohol insecticides ----- 315 



Another recipe - 315 



118. Glycerine, CH,0HCH0HCH„0H. 



Preparation 315 



Use - 315 



II80. Ether, C.H, . . C.Hj. 



Preparation - 315 



Properties - . . - - 315 



Action on plants 315 



Uses 315-6 



Stimulating action of small doses on plants similar to chloroform - - 315 



Audebert's recipe for ethereal insecticide (bordelaise insecticide) - - 316 



119. Mercaptan, C.HgSH. 



Preparation - . - - 316 



Properties 316 



Mouillefert's experiments against phylloxera 316 



120. Formic Aldehyde (formaline, formol). 



Manufacture by Trillat's process - - - 316 



Commercial solutions ---------- 316 



Formol pastilles ----------- 316 



Properties of formic aldehyde - - : 316 



Action on plants - - 316 



Trials as pickle for seed-corn ------- 317-19 



Tabulation of results 317-19, 320, 322 



Action of formol on fungi --------- 318 



Action of formol on insects --------- 319 



Uses 323 



Use against potato scab -------- 319-23 



Use against grey rot of vine - - ------- 320 



Use against other fungoid diseases ------- 320 



