Number ii OCTOBER, 1920 



THE AMERICAN ANATOMICAL 



MEMOIRS 



Numbers i to 7 inclusive appeared as Memoirs of 

 The Wistar Institute of Anatomy and Biology 



EDITED BT 



GEORGE S. HUNTINGTON 

 Columbia University 



WITH THE collaboration OF 



CHARLES R. STOCKARD and HERBERT M. EVANS 



Cornell University Medical School University of California, Berkeley 



THE PIGMENTARY, GROWTH AND ENDOCRINE 



DISTURBANCES INDUCED IN THE ANURAN 



TADPOLE BY THE EARLY ABLATION 



OF THE PARS BUCCALIS OF 



THE HYPOPHYSIS 



p. K. SMITH 

 ANATOMICAL LABORATOKT OF THE tTNIVEBSITT OF CALIFORNIA 



PUBLISHED BY 



THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY 



PHILADELPHIA, PA., U. S. A. 



Price: $3.00 post paid 



