Sea shells. Historical chromolithograph artwork of assorted sea shells including nautilus (striped,centre left),conch (centre right),scallop (upper right),and a cone shell (lower right). These shells are calcium-rich structures secreted by gastropod molluscs for protection. The animals can withdraw entirely into their shells when threatened. Published in Gems of Nature and Art by R. Fawcett,in London,circa 1880 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Terry, Sheila |
Taille de l’image : | 4096 px × 2573 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |