THE AMERICAN ANATOMICAL MEMOIRS 



LIFE PKOCESSES AND SIZE OF THE BODY AND 



ORGANS OF THE GRAY NORWAY RAT DURING 



TEN GENERATIONS IN CAPTIVITY 



PART I. LIFE PROCESSES 



HELEN DEAN KING 



PART II. SIZE OF THE BODY AND ORGANS 

 HENRY II. DONALDSON 



THE AVISTAR INSTITUTE OF ANATOMY AND BIOLOGY 



1929 



PUBLISHED BY 



THE WISTAR INSTITUTE OF ANATn.MY AX!) BIOL<><;Y 



PHILADELPHIA 



.MKMOIR 14 



