DEPARTMENT OF MARINE BIOLOGY 



OF 



THE CARNEGIE INSTITUTION OF WASHINGTON 

 ALFRED G. MAYOR, Director 



VOLUME XIV 



EXPEKIMENTS IN THE BEEEDING OF CEKIONS 



BY 

 PAUL BARTSCH 



Curator of Marine Invertebrates, United States National Museum 



WASHINGTON, D. C. 



Published by the Caenegie Institution op Washington 



1920 



ia. 



