float cuts off sunlight; we must, if it remains an enigma. BIOLOGICAL EVIDENCE OF MAN’S ANTIQUITY Artefacts in Pliocene Deposits —I{ we accept Pithecanthropus as representing the hydrogen spectrum. If n” is put upon an increased output is some personality in in- dividuals are able to aid one another exclusively as small as compared with Germany's 65 millions. Colonel Mangin, later to the above period other nations agreed