CONT RIBUTlONS FROM THE WISLEY LABORATORY. 69 
Strength of 
Period of 
Effect on Growth of 
Condition of Eelworms 
Solution. 
Soaking. 
Healthy Bulb. 
in Buibs. 
Carbolic acid . 
2 per cent. 
72 hrs. 
damaged 
live eelworms 
found 
96 „ 
badly damaged 
Potassium sul- 
I per cent. 
18 „ 
no injurious 
phide 
effect 
> > 
24 „ 
> > 
> > 
48 „ 
>> 
72 „ 
} > 
> > 
96 „ 
Potassium sul- 
| per cent. 
18 „ 
phide 
>> 
24 *, 
> > 
48 „ 
>> 
>> 
72 „ 
>> 
96 „ 
Potassium sul- 
1 per cent. 
18 „ 
phide 
>> 
24 >> 
>> 
>> 
>> 
> > 
48 „ 
72 „ 
96 „ 
very slightly 
damaged 
Potassium sul- 
3 per cent. 
18 „ 
no injurious effect 
phide 
24 „ 
>» 
48 » 
very slightly 
damaged 
>> 
J5 
72 „ 
damaged 
>> 
> > 
90 » 
badly damaged 
> > 
Ammoniacal 
18 „ 
no injurious effect 
copper carbon- 
ate 


24 „ 
48 „ 
>> 
>> 

72 >> 
> > 
' 
96 „ 
very slightly 
damaged 
Ammoniacal 
double 
18 „ 
no injurious effect 
copper carbon- 
strength 
ate 
>> 
24 ,, 
very slightly 
»> 
damaged 
»> 
>> 
48 „ 
72 „ 
damaged 
» > 
96 „ 
badly damaged 
Mercuric bi- 
J per cent. 
18 „ 
no injurious effect 
chloride 
}} 
24 „ 
very slightly 
48 „ 
damaged 
>> 
1 > 
slightly damaged 
72 „ 
damaged 
>> 
>> 
96 „ 
badly damaged 
Mercuric bi- 
J per cent. 
l8 „ 
slightly damaged 
> > 
chloride 
24 
damaged 
>> 
48 „ 
>> 
j> 
72 „ 
badly damaged 
)> 
Q6 „ 
Mercuric bi- 
1 per cent. 
18 „ 
chloride 
5} 
> > 
>> 
24 „ 
5) 
>> 
>> 
?> 
48 „ 
5> 
>> 
>» 
>> 
72 „ 
> > 
j) 
96 „ 
>> 
Ammonia 
1 per cent. 
18 „ 
no injurious effect 
>> 
