PoTTLTRYMEN realize that it is essential to control poultry lice, particularly in the case of chickens. These parasites are also a problem to those who raise turkeys, ducks, geese, guineas, and pigeons or grow wild birds, such as quail and grouse, in captivity. Losses due to poultry lice throughout the United States run high in the millions of dollars each year as the result of death, especiall...