Principles of Geology: Being an Attempt to Explain the Former Changes of the Earth's Surface, by Reference to Causes Now in Operation, Volume 2 |
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Page x
... Bones of herbivorous qua- drupeds found in Peat - Imbedding of animal remains in Caves and Fissures -Formation of bony breccias - Human bones and pottery intermixed with the remains of extinct quadrupeds in caves in the South of France ...
... Bones of herbivorous qua- drupeds found in Peat - Imbedding of animal remains in Caves and Fissures -Formation of bony breccias - Human bones and pottery intermixed with the remains of extinct quadrupeds in caves in the South of France ...
Page xi
... bones of birds are so rare in subaqueous deposits - Imbedding of terrestrial quadru- peds - Effects of a flood in the Solway Firth - Wild horses annually drowned in the savannahs of South America - Skeletons in recent shell marl ...
... bones of birds are so rare in subaqueous deposits - Imbedding of terrestrial quadru- peds - Effects of a flood in the Solway Firth - Wild horses annually drowned in the savannahs of South America - Skeletons in recent shell marl ...
Page 27
... bones with each other remain essentially the same ; the form of the teeth never changes in any perceptible degree , except that in some individuals , one additional false grinder occasionally appears , sometimes on the one side , and ...
... bones with each other remain essentially the same ; the form of the teeth never changes in any perceptible degree , except that in some individuals , one additional false grinder occasionally appears , sometimes on the one side , and ...
Page 29
... thus preserved with their minutest bones , with the smallest portions of their skin , and in every particular most perfectly recognizable , many an animal , which at Thebes or Memphis , two Ch . II . ] 29 WITH SPECIES STILL LIVING .
... thus preserved with their minutest bones , with the smallest portions of their skin , and in every particular most perfectly recognizable , many an animal , which at Thebes or Memphis , two Ch . II . ] 29 WITH SPECIES STILL LIVING .
Page 60
... drawing a line from the prominent centre of the forehead to the most advanced part of the lower jaw - bone , and observing the angle which it made with the horizontal line ; and it was affirmed 60 [ Ch . IV . GRADATION IN INTELLECT AS ...
... drawing a line from the prominent centre of the forehead to the most advanced part of the lower jaw - bone , and observing the angle which it made with the horizontal line ; and it was affirmed 60 [ Ch . IV . GRADATION IN INTELLECT AS ...
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Common terms and phrases
alluvium alteration ancient animal and vegetable animals and plants appear aquatic aqueous become birds bones bottom breccia buried calcareous carbonic acid causes century cetacea circumstances climate coast considerable continually coral coral reefs covered deposits depth drifted earth earthquakes elevation estuaries Europe example existence feet fissures floods forests formations fresh-water geological geologist globe gradually habits human hundred hyæna hybrid Iceland imbedded individuals infer inhabitants insects islands isles lagoon lakes Lamarck land latitudes lava limestone living marine mass matter migrations miles molluscs Morayshire moss mountains naturalists nature observed ocean organic original Pacific peat peculiar period physical geography plants and animals preserved produced quadrupeds quantity races reefs regions remains river rocks sand Scotland seeds shells shores soil sometimes species spot stalagmite strata subaqueous subterranean suppose terrestrial terrestrial animals terrestrial plants tertiary testacea thousand tion tract trees tropical volcanic wild zoophytes
Popular passages
Page 125 - In bigness to surpass earth's giant sons, Now less than smallest dwarfs in narrow room Throng numberless...
Page 218 - Earth, sand, gravel, stones, and other transported matter which has been washed away and thrown down by rivers, floods, or other causes, upon land not permanently submerged beneath the waters of lakes or seas.
Page 124 - ... life, in the creation of which nature has been so prodigal. A scanty number of minute individuals, only to be detected by careful research, and often not...
Page 202 - Thus, in Mar forest, in Aberdeenshire, large trunks of Scotch fir, which had fallen from age and decay, were soon immured in peat, formed partly out of their perishing leaves and branches, and in part from the growth of other plants. We also learn, that the overthrow of a forest by a storm, about the middle of the seventeenth century, gave rise to a peat moss near Lochbroom, in Ross-shire, where^ in less than half a century after the fall of the trees, the inhabitants dug peat.* Dr.
Page 46 - If, therefore, the relative fecundity or hardiness of hybrids be in the least degree inferior, they cannot maintain their footing for many generations, even if they were ever produced beyond one generation in a wild state. In the universal struggle for existence, the right of the strongest eventually prevails; and the strength and durability of a race depends mainly on its prolificness, in which hybrids are acknowledged to be deficient.
Page 111 - Were the whole of mankind now cut off, with the exception of one family, inhabiting the old or new continent, or Australia, or even some coral islet of the Pacific, we...
Page 256 - Gharee; its breadth from north to south is conjectured to be in some parts sixteen miles, and its greatest ascertained height above the original level of the delta is ten feet, an elevation which appears to the eye to be very uniform throughout.
Page 14 - We must suppose that when the author of nature creates an animal or a plant, all the possible circumstances in which its descendants are destined to live are foreseen, and that an organization is conferred upon it which will enable the species to perpetuate itself, and survive under all the varying circumstances to which it must be inevitably exposed.
Page 53 - If you examine the brain of the mammalia, says M. Serres, at an early stage of uterine life, you perceive the cerebral hemispheres consolidated, as in fish, in two vesicles, isolated one from the other ; at a later period, you see them affect the configuration of the cerebral hemispheres of reptiles ; still later again, they present you with the forms of those of birds ; finally, they acquire, at the era of birth, and sometimes later, the permanent forms which the adult mammalia present.
Page 208 - They are not horns which have been shed ; for portions of the skull are found attached, proving that the whole animal perished. Bones of the ox, hog, horse, sheep, and other herbivorous animals, also occur ; and in Ireland, and the Isle of Man, skeletons of a gigantic elk ; but no remains have been met with belonging to those extinct quadrupeds of which the living congeners inhabit warmer latitudes , such as the elephant, rhinoceros, hippopotamus, hyena, and tiger, though these are so common in superficial...