HD3 



BIOLOGt 



LIBRARY 



G 



Main 



tab* 



COPYRIGHT, 1903, 

 BY THE MACMILLAN COMPANY. 



Set up and electrotyped February, 1903. 



Norwood Press 



J. S. Gushing & Co. Berwick & Smith 

 Norwood, Mass., U.S. A, 



