Columbia SJnifatsitg Biological Series. 



EDITED BY 



HENRY FAIRFIELD OSBORN. 



1 FROM THE GREEKS TO DARWIN. 



By Henry Fairfield Osborn. Sc.D. Princeton. 



2. AMPHIOXUS AND THE ANCESTRY OF THE VERTEBRATES. 



By Arthur Willey, B.Sc. Lond. Univ. 



3. FISHES, LIVING AND FOSSIL. An Introductory Study, 



By Bashford Dean, Ph.D. Columbia. 



4. THE CELL IN DEVELOPMENT AND INHERITANCE 



By Edmund B. Wilson, Ph.D. J. H. U. 



