Ittcmoirs of tljr fHusrum of Comparative Eoologo 



AT HARVARD COLLEGE. 



Vol. XIV. No. I. Part II. — I. 



STUDIES FROM THE NEWPORT MARINE LABORATORY. 

 Communicated by Alexander Agassiz. 



XYI. 

 THE DEVELOPMENT OF OSSEOUS FISHES. 



ii. 



THE PRE-EMBRYONIC STAGES OF DEVELOPMENT. 

 Part First. The History of the Egg from Fertilization to Cleavage. 



BY 



ALEXANDER AGASSIZ and C. O. WHITMAN. 



WITH TWELVE PLATES. 



CAMBRIDGE: 



$rintrt) for trir jHtigrum. 

 Jink, 1889. 



