Bulletin of the Museum of Comparative Zoology 
AT HARVARD COLLEGE. 
Vor. XXVII. No. 7. 
THE EARLY EMBRYOLOGY OF CIONA INTESTINALIS, 
FLEMMING (L.). 
Bx W. E. CASTLE. 
Wira THIRTEEN PLATES. 
CAMBRIDGE, MASS.. U.S. A.: 
PRINTED FOR THE MUSEUM. 
JANUARY, 1896. 
