Bulletin of the Museum of Comparative Zoology 



AT HARVARD COLLEGE. 



Vol. XXIV. No. G. 



STUDIES IN MORPHOGENESIS. 



I. ON THE DEVELOPMENT OF THE CERATA IN 

 .EOLIS. 



'i^O 



By C B. Davenport. 



-X' 



With Two Plates. 



CAMBRIDGE, U. S. A : 



PRINTED FOR THE MUSEUM. 



July, 1893. 



