COMPARATIVE ANATOMY 



OF 



VERTEBRATES 



ADAPTED FROM THE GERMAN OF 



DR. ROBERT ^WIEDERSHEIM 



PROFESSOR OF ANATOMY, AND DIRECTOR OF THE INSTITUTE OF HUMAN AND COMPARATIVE ANATOMY 

 IN THE UNIVERSITY OF FREIBURG-IN-BADEN 



BY 



W. N. PARKER, PH.D. 



PROFESSOR OF ZOOLOGY AT THE UNIVERSITY COLLEGE OF SOUTH WALES AND MONMOUTHSHIRE 

 IN THE UNIVERSITY OF WALES 



THIRD EDITION 

 (FOUNDED ON THE SIXTH GERMAN EDITION) 



WITH THREE HUNDRED AND SEVENTY-TWO FIGURES 

 AND A BIBLIOGRAPHY 



QL105 

 ' 



MACMILLAN AND CO., LIMITED 



ST. MARTIN'S STREET, LONDON 



1907 



All rights reserved 



f C\ r 



& 1 1 U 7 



