a 



COPTKIGHT, 1911, 



Bt the COLUMBIA UNIVERSITY PRESa 



Set up and electrotyped. Published June, igii. 

 Reprinted December, 1912; September, 1916. 



Notfaootr i3re8B 



J. 8. Gushing Co. — Berwick & Smith Co. 



Norwood, Mass., U.S.A. 



