Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



Vol. XXIV. No. 6. 



STUDIES IN MORPHOGENESIS. 



L ON THE DEVELOPMENT OF THE CERATA IN 



iEOLIS. 



By C. B. Davenport. 



With Two Plates. 



CAMBRIDGE, U.S.A.: 



PRINTED FOR THE MUSEUM. 



July, 1893. 



