The conchologists of the west coast have preferred to apply to their shells, and indeed to employ in general use, a large number of subgeneric names in place of the ordinarily accepted generic ones.
Although the soundness of that conclusion was afterwards called in question by two or three eminent conchologists (and by the late M.
Some conchologists are now unwilling to allow that any Eocene species of shell has really survived to our times so unaltered as to allow of its specific identification with a living species.
Thus, it is almost regarded as an established fact by conchologists and others, that the fresh-water mussel (Dreyssensia polymorpha) was introduced into England at the beginning of this century.
Many fossil species have been referred to this genus, but they have been found chiefly in marine formations, and are suspected by some conchologists to belong to Natica and other marine genera.
I have never seen the opercular piece, or valve, as it is called by those conchologists who regard the Rudistes as bivalve mollusca.
Conchologists are not very strict in the application of this term, for, indeed, a perfect rhomboidal figure could not be found among all the testaceous productions of the sea.
This mathematical term is used by conchologists in its utmost latitude of signification to express a body, which in its formation, commences in a small point, called the apex, and increases in width towards the conclusion or base.
This term is applied by conchologists when the apex of the spire of an univalve shell is rounded like a teat and not spiral up to the extreme point; as the apex of Cymba, fig.
Some experienced conchologists are now sinking many of the very fine species of D'Orbigny and others into the rank of varieties; and on this view we do find the kind of evidence of change which on my theory we ought to find.
In Europe conchologists distinguish between the arctic fauna, the southern boundary of which corresponds with the isothermal line of 32 degrees F.
Some conchologists have conjectured that it was accidentally imported into St. Helena in some ship; for it is an eatable species, and these animals are capable of retaining life during long voyages, without air or nourishment.
Some experienced conchologists are now sinking many of the very fine species of D'Orbigny and others into the rank of varieties; and on this view we do find the kind of evidence of change which on the theory we ought to find.
Many fossil species formerly referred to this genus, and which have been met with chiefly in marine formations, are now considered by conchologists to belong to Natica and other marine genera.
One of our most learned conchologists is now engaged, in describing, classing, and publishing a drawing of it.
The older conchologists gave the name of screw to all turreted shells, without attending to the form of the aperture.
So many conchologists have judged; nevertheless it possesses more than two valves, and, according to the system, it must be forced into the division of multivalves.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "conchologists" in a variety of sentences. We hope that you will now be able to make sentences using this word.
