Sentences Containing 'immutable'
Until recently the great majority of naturalists believed that species were immutable productions, and had been separately created.
He argues with much force on general grounds that species are not immutable productions.
I am fully convinced that species are not immutable; but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct species, in the same manner as the acknowledged varieties of any one species are the descendants of that species.
It should be added that De Candolle no longer believes that species are immutable creations, but concludes that the derivative theory is the most natural one, "and the most accordant with the known facts in palaeontology, geographical botany and zoology, of anatomical structure and classification."
Nor can it be pretended that it is an immutable law that marsupials should have been chiefly or solely produced in Australia; or that Edentata and other American types should have been solely produced in South America.
But after very long intervals of time, and after great geographical changes, permitting much intermigration, the feebler will yield to the more dominant forms, and there will be nothing immutable in the distribution of organic beings.
The belief that species were immutable productions was almost unavoidable as long as the history of the world was thought to be of short duration; and now that we have acquired some idea of the lapse of time, we are too apt to assume, without proof, that the geological record is so perfect that it would have afforded us plain evidence of the mutation of species, if they had undergone mutation.
For the most part, in this tropic whaling life, a sublime uneventfulness invests you; you hear no news; read no gazettes; extras with startling accounts of commonplaces never delude you into unnecessary excitements; you hear of no domestic afflictions; bankrupt securities; fall of stocks; are never troubled with the thought of what you shall have for dinner--for all your meals for three years and more are snugly stowed in casks, and your bill of fare is immutable.
More Vocab Words::: commonwealth - nation governed by the people; republic; people of a nation
::: receptive - quick or willing to receive (ideas, suggestions, etc.); Ex. receptive to the proposal
::: frantic - wild; distraught as from fear or worry; Ex. frantic with fear
::: stipulate - state as a necessary condition (of an agreement); make express conditions; specify; Ex. He stipulated payment in advance
::: incarnate - endowed with flesh; invested with bodily form; personified; Ex. devil incarnate; V: give bodily form to; embody
::: cadet - student at a military school
::: profligate - wasteful (of money); dissipated; wildly immoral; dissolute; N: profligate person; N. profligacy
::: runic - mysterious; set down in an ancient alphabet; N. rune: one of the letters of an alphabet used by ancient Germanic peoples (cut on stone or wood); magic charm
::: mock - ridicule; deride; imitate often in derision
::: gibe - mock; make jeering remarks; N: jeering remarks