

MEMOIRS 



OF THE 



BOSTON SOCIETY OF NATURAL HISTORY; 



VOLUME .3. NUMBER 



DESCRIPTION OF THE HUMAN SPINES SHOWING NUMjB]lii(:AL 

 VARIATION IN THE WARREN MUSEUM OF THfJ ' 

 HARVARD MEDICAL SCHOOL. 



By THOMAS 1)VVK4HT, M.i:)., T.L.D., 



Parknian Professor of Anatomy at Harvard University. 



BOSTON: 



PUBLISHED BY THE SOCIETY. 



Januakv, lyoi. 



