DISEASES AND PESTS. 829 
by placing the tub or glass demijohn containing the car- 
bolic acid in cold water while the sulphuric acid is being 
added. The resulting mixture is added to water in the 
ratio of one to twenty. One gallon of mixed acids will 
thus furnish twenty gallons of a strong disinfecting so- 
lution, having a slightly milky appearance. 
(d) Ordinary slaked lime, though it does not possess 
the disinfecting power of the substances given above, is 
nevertheless very useful, and should be used more par- 
ticularly on infected soil. 
Lick anp Mires.—These pests are a great trouble to 
the poultry grower, and need incessant vigilance on his 
part. There are two % 
kinds of lice with which 
he has to contend. The 
larger, or body, lice find 
their home among the 
feathers of the fowl. She 
will usually rid herself 
of them when provided 
with a proper dust bath. é 
The smaller parasite, or Fic. 131. common KINDS OF HEN LICE. 
the little red mite, isthe 4. Pallidum. G, Abdominalis. 
most troublesome. When once they have obtained pos- 
session, the only remedy is to fumigate thoroughly with 
burning brimstone. No living thing can withstand that. 
Then whitewash the whole inside of the building. 
As in everything else, so here, a little prevention is 
worth a great deal of cure. These little mites originate 
on the perches, and are never on the fowl’s body except 
to feed. Judging from sad experience, they have as- 
tonishing facilities for the reproduction of their species. 
It is easy to avoid the red mites when you know how. 
Procure for perches planed spruce joists, two by three 
inches in size, and as long as required. Cover them 
with hot coal tar, and you will have no lice for at least 
