190 PROFITS IN POULTRY. 
bird, while others are provided with suckers by which to 
draw the blood. Where the fowls are in good health, 
and have free use of the dust bath, they keep the para- 
sites from excessive increase. In winter there should 
always be a box of fine earth for dusting kept where 
no water can reach it, Old nest-boxes should be treated 
to a bath of scalding lye béfore they are again used. 
To get rid of fleas, the chicken-house should be 
thoroughly whitewashed—not half done—with hot lime- 
wash. The floor should be well sprinkled with a solution 
of carbolic acid, and the rocsts thoroughly greased with 
a mixture of one pound of lard, one pint of raw linseed 
oil, a quarter of a pint of kerosene, and a quarter of a 
pound of sulphur. 
When kerosene oil is placed on the fowls themselves, 
it should be used sparingly; properly applied, it is the 
best known remedy for lice, but to use it recklessly is 
dangerous. 
‘*THE ” HEN LOUSE. 
Unfortunately for the fowls, it is impossible to de- 
scribe ‘‘ the”? Hen Louse, for there are so many of them. 
Here is a portrait, Fig. 80, of one of the easiest to 
find, as it is one of the largest, being nearly jy inch 
long. Unless special care is taken, little chicks, when 
they are first hatched, are sadly afflicted; and the 
feathers on the head are allalive with them. Not only 
common fowls, but all other domestic birds, including 
the delicate pets, such as the canary, and the wild birds 
from the largest to the smallest, are infested by parasites 
—as animals and plants that live upon other animals and 
plants are called. Vermin is the pest of poultry, and 
when chicken-houses get thorougbly infested, it is not 
an easy matter to cleanse them. If the house is washed 
