EXPERIMENTAL MORPHOLOGY 



BY 



CHARLES BENEDICT - DAVENPORT, PH.D. 



INSTRUCTOR IN ZOOLOGY IN HARVARD UNIVERSITY 



. PART SECOND ' 



EFFECT OF CHEMICAL AND PHYSICAL AGENTS 

 UPON GROWTH 



gorfc 

 THE MACMILLAN COMPANY 



LONDON: MACMILLAN & CO., LTD. 



1899 



All rights reserved 



