X -26 



TEXT-BOOK 



OF 



COMPARATIVE ANATOMY 



BY 



DR. ARNOLD LANG 



PROFESSOR OF ZOOLOGY IN THE UNIVERSITY OF ZURICH 

 FORMERLY RITTER PROFESSOR OF PHYLOGENY IX THE UNIVERSITY OF JENA 



WITH 



PREFACE TO THE ENGLISH TRANSLATION BY 



PROFESSOR DR. ERNST HAECKEL, F.R.S. 



DIRECTOR OF THE ZOOLOGICAL INSTITUTE IN JENA 



TRANSLATED INTO ENGLISH BY 



HENRY M. BERNARD, M.A. CANTAB. 



AND 



MATILDA BERNARD 



PART I. 



Hontion 



MACMILLAN AND CO. 



AND NEW YORK 

 1891 



All rights reserved 



