This class corresponds with the Conchifera of Lamarck, and is divided into the orders Palliobranchiata, Rudistes, Lamellibranchiata, and Heterobranchiata, the last of which contains no genera of testaceous Mollusca.
A varix is formed on the outer surface of a spiral shell, by the thickened, reflected edge of a former aperture, after fresh deposits of testaceous matter have increased the size by adding to the growth of the shell beyond it.
It may be observed that some of the Acephalophora, the Pholades, for example, have small testaceous pieces fixed on the hinge, which are called accessary valves.
A genus consisting of small testaceous appendages fixed on the posterior extremity of a species of slug.
A testaceous operculum is one composed of shelly matter.
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.
New South Wales, differs from Anomia and Anatina in being attached by the surface of one of the valves, from which circumstance the word Chama is added to its name; the little testaceous appendage bringing it near the Myariae.
The testaceous appendage of the Coriocella is now well known to naturalists.
The Limax, or common garden slug, which has a testaceous shield beneath its mantle, is an instance of this.
Trochi, all the species which have horny opercula; and as Turbines, all those which have testaceous opercula.
In this case, the bivalve shell is connected with a testaceous tube or pipe, to which it is attached either by one or by both valves, or in which it lies attached only by the cartilages of the animal.
Testaceous fishes, such as the Oyster or Cockle, are furnished with shells of considerable hardness, very brittle, and susceptible of yielding to compressure like the others.
This kind of eruption is likewise frequently cured by testaceous powders; two materials so widely different in their chemical properties, but agreeing in their power of promoting cutaneous absorption.
They promote perspiration, if the skin be kept warm; as camomile tea, and testaceous powders, have been used as sudorifics.
Notwithstanding all these absurdities, it is undoubtedly true that certain articles of food have been considered as endowed with aphrodisiac properties; fish of various kinds, the mollusca and testaceous animals more especially.
Henceforth the testaceous Mollusca approximate in their forms to those of the present time.
Forbes has shown as the result of his labours in dredging in the AEgean Sea, that there are eight well-marked regions of depth, each characterized by its peculiar testaceous fauna.
The nature also of the ground has an important influence on the testaceous fauna, both on the land and beneath the waters.
It [wampum] consisted of cylindrical pieces of the shells of testaceous fishes, a quarter of an inch long, and in diameter less than a pipestem, drilled .
They are sometimes naked, and sometimes enclosed in a shell, whence they are known as Testaceous Molluscs.
Thus circumstanced, it secretes calcareous matter and deposits it upon the extreme edge of the shell, when the secretion hardens and becomes converted into a layer of solid testaceous substance.
A testaceous envelope, modelled upon the segments, follows the various modifications of form, and protects the body in all its parts.
The mouth and gullet is admirably adapted for securing the testaceous mollusks and other substances on which they feed.
We may say as a general thesis that testaceous molluscs are animals with whom ossification is thrown out on the external surface in place of the interior, as in the Mammals, birds, reptiles, and fishes.
Having crossed this belt of dark forest, near its opposite edge we came upon one of these singular ponds already described--a circular basin surrounded by hillocks and rocks of testaceous formation--an extinct water volcano.
But where animal food is used in putrescent diseases, either through necessity, or the obstinacy of the patient, ought not Magnesia, in an uncalcined state, and all the calcareous and testaceous earths to be carefully abstained from?
All calcareous earths, thetestaceous powders, Magnesia and alkaline salts contain it abundantly, and have the strongest affinity with it of any bodies, except metals.
The total number of species of testaceous mollusca from the faluns in my possession is 302, of which forty-five only, or fourteen per cent, were found by Mr. Wood to be common to the Suffolk Crag.
B] The testaceous fauna of the boulder period, in Scotland, England, and Ireland, has been shown by Prof.
Two of this genus have the power of collecting parts of shells and other testaceous substances, which adhere strongly to the whorls of the shell: it is called the Conchologist.
Testaceous animals have the power of enlarging their habitations; they can also repair any injury that may occur to them.
And therefore such as have no distinction of sex, engender not at all, as Aristotle conceives of Eels, and testaceous animals.
It was thus that Donati found the bottom of the Adriatic sea; the bed of testaceousanimals there, according to him, is several hundred feet in thickness.
It is inhabited almost throughout its whole extent by an immense quantity of testaceous animals, or covered with sand and gravel.
Birds of many kinds are abundant, as are fishes and testaceous animals.
The whole ground around them is densely covered with corals, sea-fans, and other productions of the deep, amid which crawl innumerable testaceous animals, while shoals of curious and beautiful fishes fill the limpid waters above them.
Among thetestaceous remains Corbicula fluminalis and Hydrobia marginata have already been noted.
No testaceous remains have been found here, and mammalian remains are very scarce.
In a sense, the testaceous covering of a mollusk may be likened to an outer skeleton.
That they at one time carried a shell is evident from the fact that they are born with a rudimentary testaceous covering, which soon afterward disappears.
It is to the stomach of this species that I am most indebted for many of the rarer of the testaceous and crustaceous specimens which I possess.
It is to the stomach of this species,” says Edward, “that I am most indebted for many of the rarest of the testaceous and crustaceous specimens that I possess.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "testaceous" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: cutaneous; dermal; epidermal; furry; hypodermic; skinny; subcutaneous
