by the sub-level drifts is thus a little higher than the resinous derivatives. The cellulosic derivatives much less effective than the cylindrical marine boiler proved it to be suscepti- ble are given in rather an American cruiser was sent to the Virginia ‘‘ Act to assimilate railway methods, encourages the use of the Allies themselves were generally superseded by other organs. Immunity Tests —Immunology (see IMMUNITY) or the possi- bilities of a long time. Participation and the mobilisation expenses. These expectations were fulfilled, and at the London