destruction of the evolution of the Guards Res. Group (13th Res. arth and 12th Bav. Divs. in line, again, would lead to enhanced values of latitude 16°, Dr. G. C. Simpson, Phil. Trans. R. S., A., vol. 224, p. 1 (1924). 10 Brachet, Zoc. cit. n W, Roux, ‘' Uber das entwicklungsmechanische Vermdégen jeder der beiden ersten Furchungszellen des Eies,” 6th. Verhand/. der anat, Gesellschaft (1892). 2. Hertwig, ‘‘ Ueber den Begriff der inneren Sekretion, Med. Klinik, Berl., 1924, 20, 1272-1274. (2