But the efficiency of this preventive stops short at the point of saving human life.
Du Cane, Punishment and Prevention of Crime (1885); Braco, Estudos penitenciarios e criminaes (Lisbon, 1888); Garofalo, Studio sul delitto, sulle sui cause e sui mezzi di repressione (1890); Adolphe Guillot, Les Prisons de Paris (1890); Tallack, Preventive and Penological Principles (1896); Salillas, Vida penal en Espana (Madrid).
At the first hint of below freezing weather, Howie was on the job, covering everything and reading up on all preventive measures known to man.
The first disease investigated by Pasteur was that of chicken cholera, an epidemic which destroyed io% of the French fowls; after the application of the preventive method the death-rate was reduced to below i %.
This oil generally acts as an excellent preventive of this and other insect attacks.