Category: Science - Biology
Dr. Johnson gives us no less than eight different meanings for the word SHELL. First, he calls it ‘The hard covering of anything; the external crust.’ Second, ‘The covering of a testaceous or crustaceous animal.’ And here we may stop, for this is just the signification which h...
Dr. Johnson gives us no less than eight different meanings for the word SHELL. First, he calls it ‘The hard covering of anything; the external crust.’ Second, ‘The covering of a...
2. Part 2Miss Pratt, in her delightful book on “Common Things of the Sea Coast,” observes of these shells that, “We gather up those which we find, and looking at their structure would fa...
3. Part 3But let us return to our Garden Snail, who has many near relatives in Britain, several of which have beautifully-marked and convoluted shells, as will be seen by a reference to...
4. Part 4By allowing this tiny thread to stretch itself on a plate of glass, which is easily done by putting a drop of water on it first, which may then be drained off and dried, you wil...
5. Part 5Again, by this allusion to the “tucking in” of Oysters, a phrase more expressive than polite, we have recalled to memory the saying of a quaint old author, that they are “ungodl...
6. Part 6This Mollusk, it may be noticed, like many other bivalves, has a flat, and a concave or hollow shell: in early times when plates and drinking vessels were not so plentiful as th...
7. Part 7The Nautili are called testaceous cephalopods, our readers know, or ought to know, the meaning of both these terms. Like the Cuttle-fish they are sometimes called _Polypi_, beca...