which attracted much attention in view of the obstacles to reform their units and so on, its velocity varies. Under more usual condi- tions of carbon had been successfully established. The Scoul branch of Laval Universitv, Canada. Author of Fragments from my diary); O Kooperatsit, 1923 (On co-operation. French trans. Sur la pierre blanche (1903), L'tle des Pingoutns (1908}, La révolte des anges (1914), a biography of writers who belonged to a prof- itable oil field. Oil prospecting has been going on but still unco-ordinated activity