"Development of Coral" from "The World of the Sea" 2nd ed. by Alfred Frédol (1866).
Biodiversity Heritage Library, Public Domain via Flickr: https://flic.kr/p/duRa3H
Color edits.
#coral
Biodiversity Heritage Library, Public Domain via Flickr: https://flic.kr/p/duRa3H
Color edits.
#coral
n186_w1150
Le monde de la mer .... Paris,L. Hachette & Cie,1866.. biodiversitylibrary.org/page/2073215Flickr