SOME FLY POISONS FOR OUTDOOR AND HOSPITAL USE. 333 



Lead chromate (III). 



„ oxide (Red lead) (III). 



,, acetate (III). 



„ nitrate (III). Killed 50% on third day. 



„ carbonate, 2% and 5% (III). 

 Phosphoric acid, anhydrous, 2% (III). Eight dead out of many next day. 

 Phosphorus, red (III). 

 Phospho-molybdic acid 2% (III) ; 51 dead out of 63 in one case ; 5 dead out of 



many in second case. 

 Antimony oxide 2% (III). 



oxychloride 2% (III) ; 75% dead on third day. 

 ,, arsenate 5% (I). 



Arsacetin 01% (III). 

 Cacodylic acid 0-1% (II). 

 Paris green 2% (II). 



Chromic acid 1% (III). Kills on third day. 

 Hydrochloric acid 2% (III). 

 Iodine 5% and 2% (III). 

 Ferrous sulphate (III). 

 Iron alum (II). 

 Iron perchloride (II). 



,, fluoride (II). 

 Cobalt chloride (III). 



Carbon Compounds. 



Ethyl alcohol 2% and 5% (III). 



Amyl „ 2% (III). 



Allyl „ 2% (II). Kills 80%. 



Formic acid 2% (III). 



Acetic acid (III). 



Butyric acid (III). 



Ammonium oleate (III). 



Oxalic acid (III). 



Tartaric acid (HI). 



Potassium bitartrate (III). 



Ammonium tartrate (III). 



Citric acid (III). 



Ethyl formate (III). 



Magnesium formate (III). 



Ammonium formate (III). 



Sodium formate (III). 



Amyl acetate 1% (III). 



Acetamide 2% pure (III). 



„ impure (III). Killed by vapour. 



Ethyl oxalate (III). 

 Cafiein 2% and 5% (III). 



