334 



A. C. JACKSON AND H. M. LEFROY. 



Sodium methyl sulphate 2% (III). Six dead, many alive. 



Ammonium tannate (III). 



Acetaldehyde 1% and 2% (III). 



Saccharin (III). 



Acetal (III). 



Chloral hydrate 1% (III). 



Aldehyde ammonia (III). 



Amyl nitrite 1% (III). 



AUyl sulphocyanate 0-15% (III). 



Mustard oil 2% (III). One-third of females dead on third day. 



Calcium cyanamide (III). 



Phenol 02% (III). Seven flies dead, many alive next day. 



Phenetol 4% (III). 



Paradichlorbenzene (III). 



Toluol parachlorsulphonate 2% (II) ; 50% dead next day. 



Nitrobenzene 4% (III). 



Aniline 4% (III). 



Sulphanihc acid 2% (III). 



Paratoluidine 2% (III). Twenty-one dead, many alive next day. 



Orthotoluidine 2% (III). Eight dead, many alive next day. 



Methyl aniline 4% (III). Repellent to flies. 



Dimethyl aniline (III). 



Trimethyl aniline (III). 



Phenyl hydrazine hydrochloride 2% (II) ; 65% dead next day. 



Ammonium paradinitrocresylate 2% (I) 



1% (I) 



0-2% (I) 



Ammonium orthodinitrocresylate 2% (I) 



50% dead. 



63% 



80% 

 100% 



90% 

 100% 



90% 



Potassium 



1% (I) 

 0-5% (I) 

 0-2% (I) 

 0-025% (III). Failed. 



5% (I); 87% dead. 



2% (I) ; 80% „ 



Picric acid 1% (III). 



Phenyl acetic acid 2% (III). Four dead, many alive next day. 



Benzoic acid 1% (III). 



Resorcinol 2% (III). A few died. 



Fluorescein 2% (III). 



Pyrogallic acid 2% (II) ; 50% dead. 



Tannic acid 1% (III). In one case 58% dead. 



Ammonium tannate 2% (III). 



Phenol phthallein 2% (III). Four dead, many alive next day. 



Salicylic acid 1% (III). Eight dead, many ahve next day. 



Potassium salicylate (I). See above. 



Sodium „ (I). 



