Field Notebook: France and England 1973
Page 115
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Fri. Sept. 14. -1- Polypide vesicle - peritoneum wh is funiculus 1st vesicle. constriiction tentacles! perit. all around joins funiculus + forms canal (v. difficult to understand struct) for tentacles. Peritoneum[mesoderm] & funiculus strands muscles. Side views series of 3 above stages.