COLUMBIA UNIVERSITY BIOLOGICAL SERIES. IV. 



THE CELL 



IN 



Development and Inheritance 



BY 



EDMUND B. WILSON, Ph.D. 



PROFESSOR OF ZOOLOGY, COLUMBIA UNIVERSITY 



SECOND EDITION 

 REVISED AND ENLARGED 



" Natura nusquam magis est tola quam in minimis ' 



THE MACMILLAN COMPANY 



LONDON: MACMILLAN & CO., Ltd. 

 191 I 



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