MODERN PROBLEMS OF BIOLOGY 



LECTURES DELIVERED AT THE UNIVERSITY OF JENA, 

 DECEMBER, 1912 



BY 



CHARLES SEDGWICK MINOT 



0., YALE TORONTO AND ST. ANDREWS; D. SC, OXFORD; DIRECTOR 

 OF THE ANATOMICAL LABORATORIES, HARVARD MEDICAL 

 SCHOOL; EXCHANGE PROFESSOR AT THE UNIVER- 

 SITIES OF BERLIN AND JENA, I9I2— 13. 



WITH FIFTY-THREE ILLUSTRATIONS 



PHILADELPHIA 

 P. BLAKISTON'S SON & CO. 



1012 WALNUT STREET 

 1913 



