THE 



BEGINNINGS OF LIFE; 







BEING f 



SOME ACCOUNT OF THE NATURE, 

 MODES OF ORIGIN AND TRANSFORMATIONS 



OF 



LOWER ORGANISMS. 



BY 



H. CHARLTON BASTIAN, M. A, M. D., F. R. S. 



Fellow of the Royal College of Physicians ; 

 Professor of Pathological Anatomy in University College, London; 



Physician to University College Hospital; 

 Assistant Physician to the National Hospital for the Paralysed and Epileptic. 



IN TWO VOLUMES. 

 VOL. I. 



WITH NUMEROUS ILLUSTRATIONS. 



MACMILLAN AND CO. 



1872. 



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