... of the age of the streams. During our stay, I observed the habits of some marine animals. A large Aplysia is very common. This sea-slug is about five... ...train of ink to hide the hole into which it had crawled. While looking for marine animals, with my head about two feet above the rocky shore, I was mo... ...water quite salt. I have no doubt many interest- ing facts, in relation to marine and fresh water ani- mals, might be observed in this chain of lagoon... .... Gay* has stated that he found in the neighbourhood of Rio, shells of the marine genera solen and mytilus, and fresh wa- ter ampullariae, living toge... ...at in all the different kinds of glow- worms, shining elaters, and various marine animals (such as the crustacea, medusae, nereidae, a coral- line of ... ...is very inferior in force and rapidity to that of a hawk. *Read before the Academy of Sciences in Paris. L’Institut, 1834, p. 418. 63 Charles Darwin ...