viii PREFACE 



figures. We believe that the figures as published come closer to representing 

 the actual anatomy of these tissues than would drawings of dehydrated and 

 fixed sections. 



The authors also wish to acknowledge that a number of the questions at 

 the end of Chapter XXI, and a few in each of several other question lists were 

 taken or adapted from lists prepared by Dr. O. F. Curtis of Cornell University. 



Bernard S. Meyer 

 Donald B. Anderson 



Columbus, Ohio 



Raleigh, N. C. 



December, 1938 



