The insecticide must be composed of extremely fine particles or must be of such an oily nature that it will readily penetrate such pores.
"A Living from the Land"
William B. Duryee
About a week before we left this camp, the Red Cross sent in some insecticide and we put it all over ourselves and our clothes and blankets.
"The Biography of a Rabbit"
Roy Benson, Jr.
There is a famous remedy for the destruction of fleas manufactured in France, entitled "La Poudre insecticide," which, although perfectly harmless to the human economy, is utterly destructive to fleas.
"Advice to a Mother on the Management of her Children"
Pye Henry Chavasse