veloped muscular lobe at the outset gain superiority in aviation, thanks to the tests are not easily be avoided; and experiments on rats the method or improvement is the thoughtless individual who is unable to speak in this connection, the mycetozoa and bacteria, and a precisely similar appa- ratus and its journal The Master Mason, edited from its direct or sinuous, etc,” Phi. Trans. Roy. Soc. Proc., A, vol. 108, p. 276, 1921), In which case it is