

THE AMPHIOXUS 



AND 



ITS DEVELOPMENT 



BY 



DR. B. HATSCHEK 



Professor of Zoology in the University of Prague 



TRANSLATED AND EDITED 



BY 



JAMES TUCKEV, M.A. 



Lecturer in the University of Durham 

 WITH NINE FULL PAGE ILLUSTRATIONS 



Eonlicm 

 SWAN SONNENSCHEIN & CO 



NEW YORK : MACMILLAN & CO. 



