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Devonian   /dɪvˈoʊniən/   Listen
Devonian

noun
1.
From 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites.  Synonyms: Age of Fishes, Devonian period.






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"Devonian" Quotes from Famous Books



... distribution; that is, a breaking up of old associations of ideas and the forming of new relations - a simple matter were it not for our mental inertia. Lester Ward speculates that life remained aquatic for the vast periods that paleontology would indicate; Cambrian, Silurian, Devonian, Carboniferous - a duration greater than all subsequent time - for the reason that the creature had not progressed beyond the stage when it could move otherwise than in a straight line when actuated by desire ...
— The Fourth Dimensional Reaches of the Panama-Pacific International Exposition • Cora Lenore Williams

... plants—few as to species, but playing a conspicuous part in the vegetation—giving a peculiar botanical character to the south of Ireland; that, as I had produced evidence of the other floras of our islands, i.e. the Germanic, the Cretaceous, and the Devonian (these terms used topographically, not geologically) having been acquired by migration over continuous land (the glacial or alpine flora I except for the present—as ice-carriage might have played a great part ...
— More Letters of Charles Darwin - Volume I (of II) • Charles Darwin

... tertiaries with the chalk; the St. Cassian beds exhibiting an abundant fauna of mixed mesozoic and palaeozoic types, in rocks of an epoch once supposed to be eminently poor in life; witness, lastly, the incessant disputes as to whether a given stratum shall be reckoned devonian or carboniferous, silurian or ...
— The Origin of Species - From 'The Westminster Review', April 1860 • Thomas H. Huxley

... the wire-rope, and then, as it had been in my ear, Pyecroft's enormous and jubilant bellow astern: "Why, he's here! Right atop of us! The blighter 'as pouched half the tow, like a shark!" A long pause filled with soft Devonian bleatings. Then Pyecroft, solo arpeggie: "Rum? Rum? Rum? Is that all? Come an' ...
— Traffics and Discoveries • Rudyard Kipling

... the term forrell, when describing the cover of a book, is a solecism, I fancy, peculiarly Devonian. Whether a book be bound in cloth, vellum, or morocco, it is all alike forrell in Devonshire parlance. I imagine, however, that the word, in its present corrupt sense, must have originated from forrell, a term still used by the trade to designate an inferior kind of vellum {631} or parchment, ...
— Notes and Queries, Number 191, June 25, 1853 • Various

... old Devonian gardener who was trimming the borders a few yards away. "Conybeare, I am going down to Mrs. Brassbound later in the evening. I want you to cut me a nice bunch of ...
— Men of Affairs • Roland Pertwee

... lepidosteus (a ganoid fish), long after it is hatched, exhibits in the form of its tail characters thus far known only among the fossil fishes of the Devonian period. The embryology of turtles throws light upon the fossil chelonians. It is already known that the embryonic changes of frogs and toads coincide with what is known of their succession in past ages. The characteristics of extinct genera of mammals exhibit everywhere indications that their ...
— The Whence and the Whither of Man • John Mason Tyler

... curiously, As reaching, in a moment with his hand He scraped the turf and stones, pried up a key Of harder granite, and at his command, When he had made an opening, I slid And sank, down, down through the Devonian land Until with him I reached a cavern hid From every eye but ours, and where no light But from our faces was, a pyramid Of hills that walled this crypt of soundless night. Then in a mood, it seemed more fanciful, He bent again and raked, and to my sight Upheaved and held the remnant of a ...
— Toward the Gulf • Edgar Lee Masters

... Pyrosoma" at the Linnean Society, and was busy with paleontological work, the results of which appeared in three papers the following year, the most important of which was the Memoir called a "Preliminary Essay on the Arrangement of the Devonian Fishes," in the report of the Geological Survey, "which," says Sir M. Foster, "though entitled a Preliminary Essay, threw an entirely new light on the affinities of these creatures, and, with the continuation published later, in 1866, ...
— The Life and Letters of Thomas Henry Huxley Volume 1 • Leonard Huxley

... amply filled in with records in the form of thick strata in some geographically distant series. For example, in some regions Silurian rocks are directly overlaid by the coal measures; but elsewhere this sudden break is filled in with the Devonian rocks that tell of a great "age of fishes." So commonly are breaks in the strata in one region filled up in another that we are forced to conclude that the record shown by any single vertical series is of but local significance—telling, perhaps, of a time when that ...
— A History of Science, Volume 3(of 5) • Henry Smith Williams

... Hill Cavern, is a well-known ossiferous cave situated near Brixham, on the brow of a hill composed of Devonian limestone. It was discovered by chance in 1858, having been until then hermetically sealed by a mass of limestone breccia. Dr Hugh Falconer with the assistance of a committee of geologists excavated it. The succession ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various

... drawn from the imperfect records of the rocks, and may dismiss as absurd the statements that geologically immured forms have been found still living, the researches of Renault and van Tieghem have shown pretty clearly that large numbers of bacteria existed in Carboniferous and Devonian times, and ...
— Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 - "Baconthorpe" to "Bankruptcy" • Various

... at Dent, Yorkshire; graduated at Cambridge in 1808, became a Fellow in the same year, and in 1818 was elected to the Woodward chair of Geology; co-operated with Murchison in the study of the geological formation of the Alps and the Devonian system of England; strongly conservative in his scientific theories, he stoutly opposed the Darwinian theory of the origin of species; his best work was contributed in papers to the Geological Society of London, of which he was President ...
— The Nuttall Encyclopaedia - Being a Concise and Comprehensive Dictionary of General Knowledge • Edited by Rev. James Wood

... of perennial oil and gas springs marks the outcrop of every great stratum of carbonaceous matter in the country. Of these, the most considerable and remarkable are the bituminous shales of the Silurian (Utica shale), of the Devonian (Hamilton and Huron shales), the Carboniferous, etc. Here the carbonaceous constituent (10 to 20 per cent.) is disseminated through a great proportion of inorganic material, clay and sand, and seems, both from the nature of the ...
— Scientific American Supplement, No. 362, December 9, 1882 • Various

... after the appearance of English Fairy Tales. From a gloss in the MS. "vitty" Devonian for "decent," I conclude the tale is current in Devon. I should be obliged if the sender ...
— More English Fairy Tales • Various

... mountain bogs; and if (as K. says) fail means a "turf or flat clod" in Scotland, I think it probable that a Scotchman on Dartmoor might now and then so far forget himself as to call peat or turf by a name which would certainly not be understood by an aboriginal Devonian. The local name of the peat or other turf cut for fuel is vaggs, and this has perhaps been confounded in the recollection of K.'s informant with ven. At all events, I can assure both P. and K. (who, I presume, are not familiar with the district) that the tenants of venville ...
— Notes and Queries, Number 79, May 3, 1851 • Various



Words linked to "Devonian" :   geological period, Paleozoic, period, Age of Fishes, Paleozoic era



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