PROCEEDINGS 



I OF THE 



CALIFORNIA ACADEMY OF SCIENCES 



Third Series 

 Zoology Vol. Ill, No. 5 



Variation and Fusion of Colonies 

 in Compound Ascidians 



BY 



Frank W. Bancroft 



With One Plate 



Issued January 31, /goj 



SAN FRANCISCO 

 Published by the Academy 

 1903 



