The mollusk of Canada Pliocene clay has undergone no change since its first appearance upon our globe.
The demand for millions of years, in order to get old species out and new ones in, breaks down with the mollusk of the Pliocene in the clays of Canada.
The next useful mollusk to be considered is the scallop, one of the many species of the family Pectinidae, of which we eat only the adductor muscle.
One Mediterranean species of Aplysia secretes a purple liquid utilized by the ancients as a dye, and this is still sought for in Portugal, where storms sometimes cast vast quantities of the mollusk on the beaches.
The quahog is a thick-shelled, roundish molluskwith a distinctly heart-shaped outline when looked at endwise.
The helmet shell, a heavy, rounder and smoother mollusk than the Strombus, is also extensively used in cameo cutting, especially the African black helmet, in which a white outer layer covers an almost black underlayer on the broad lip.
With the coming of the clam farm there shall be clams enough, and oysters and scallops; for the wholemollusk industry, in every flat and bar and cove of the country, shall take to itself a new interest, and vastly larger proportions.
Sad indeed is the fate of the latter if the mollusk once gets a firm hold of the boat.
A mollusk whose shell is cast upon the shore by thousands, but the animal of which is very rare, is the Spirula.
The mollusk is the venerable grandfather, the chief of the house, the creator of the dynasty, the ancestor crowned with a nobility of millions of centuries.
Majorcan society, bound up in its traditional preoccupations, like a mollusk in its shell, and hostile by instinct to impious novelties from Paris, waxed indignant over this scandal.
Let us next mention the arion, that voracious mollusk who also tackles most mushrooms of some size.
The Mollusk also, the Arion, is anything but an ardent consumer.
Entire branches and stems of trees, several feet in length, are sometimes found drilled all over by the holes of these borers, the tubes and shells of the mollusk still remaining in the cylindrical hollows.
Defn: Any fresh-water air-breathing mollusk belonging to Planorbis and other allied genera, having shells of a discoidal form.
Defn: Any marine univalve mollusk of the genus Strombus and allied genera.
Defn: Any marine bivalve mollusk belonging to Solen or allied genera of the family Solenidæ; a razor shell.
Defn: Any bivalve mollusk which secretes a shelly tube around its siphon, as the watering-shell.
Defn: A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs.
Defn: Any marine bivalve mollusk of the genus Ostrea.
Defn: Any tectibranchiate mollusk of the genus Aplysia.
Defn: Any hard calcareous or chitinous organ found in the mouth of various invertebrates and used in feeding or procuring food; as, the teeth of a mollusk or a starfish.
Defn: Any larval gastropod or bivalve mollusk in the state when it is furnished with one or two ciliated membranes for swimming.
Defn: Any long, slender, worm-shaped bivalve mollusk of Teredo and allied genera.
There was a time when, the first frill was not commenced; when the creature was a Mollusk with simple valves.
You see it is a bivalve Mollusk with one valve firmly imbedded and cemented into the stony wall of its chamber.
It isolates the reptile or mollusk it assumes to explain; whilst reptile or mollusk only exists in system, in relation.
Here heredity is out of the question because of this difference of formation and because the man is not descended from the mollusk nor the mollusk from man.
The public mollusk fisheries only foster such types of non-producers, and prevent them from becoming desirable citizens.
Thus at the present time the mollusk fisheries of Massachusetts are divided into a number of separate and disorganized units, which are incapable of working together for the best interests of the towns or of the public.
This little mollusk with its rasping tongue drills a small hole through the shell of the oyster, and then sucks out the contents.
Even before the time of the earliest settlers the native Indians depended largely upon this abundant mollusk for their food supply, as is clearly indicated by the scattered shell heaps which mark their ancient camp fires.
Colonial records show us that the early colonists were not slow in learning to "tread out" this mollusk from the mud flats.
The same system which is now in operation in the oyster industry of other States should be applied to all the mollusk fisheries of Massachusetts.
All authority to control mollusk privileges was originally vested in the State.
Frequent shell heaps show that the Indians were accustomed to use this mollusk as a food, and even indulged in an occasional clam bake.
But still the two types, that of the Mollusk and the Articulate, are distinct even from their first appearance in the egg, nor have either any close affinities with the Protozoa, the Hydroids, or the Corals.
Both types meet us in the Early Cambrian, but while the Mollusk is there represented only by low forms, the Articulate is then not only in the humble guise of the worm, but in the complex and highly organised form of the Trilobite (Figs.
Like any other animal, the mollusk generally moves about.
Approaching danger, whether from octopus, fish or man, arouses caution in a small mollusk and it becomes as inconspicuous as it can.
The cartilages of Sepia have a true resemblance to those of a Skate, and the Cirrhipede truly connects the Mollusk with the Crustacean.
Aerial life, in contradistinction to aquatic, raises much the character of the locomotive organs; yet this is subordinate to type: hence the creeping Mollusk appears to have commonly a higher organization than the flying Insect.
Obviously, in the presence of these zoophyte and mollusk specimens, the fine lad was classifying his head off.
I also noted long, whitish strings of salps, a type of mollusk found in clusters, and some jellyfish of large size that swayed in the eddies of the billows.
But modern science has not endorsed these designations, and this mollusk is now known by the name argonaut.
An excitable conchologist would surely have fainted dead away before other, more numerous glass cases in which were classified specimens from the mollusk branch.
During storms or rough weather this frail mollusk sinks to the bottom of the sea.
The Limpet or Patella is a familiarmollusk to many visitors at the sea shore.
The calcareous tube of this mollusk was united and as it were soldered on to the valves of the shell (b), which therefore cannot be detached from the tube, like the valves of the recent Teredo.
Entire branches and stems of trees, several feet in length, are sometimes dug out, drilled all over by the holes of these borers, the tubes and shells of the mollusk still remaining in the cylindrical hollows.
If you were a pallid creature of the mollusk order, you would have nothing to fear, but it is different when you have the hot blood of a lion and are ready to get into a score of scrapes every day of your life.
When this mollusk sees periophthalmus bounding over the sands (and that it does see is beyond all question), what does it do?
The fish, terrified and amazed by the volley, often turns aside, and the molluskis saved.
In passing from the mollusk to the fish to get thence to the higher vertebrates, she turned aside in another direction toward a class of animals which rises far above mollusks, but which leads to nothing beyond.
There is one mollusk universally well known--namely, the oyster--so we will choose him for discussion.
The difference between a man with his house and a mollusk with its shell lies in the number of steps or phenomena interposed between the fact of individual existence and the completion of the building.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "mollusk" in a variety of sentences. We hope that you will now be able to make sentences using this word.
