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The wooden dining-room stuck out over the mud of the shore like a lacustrine dwelling; the planks of the floor seemed rotten; a decrepit old waiter tottered pathetically to and fro before an antediluvian and worm-eaten sideboard; the chipped plates might have been disinterred from some kitchen midden near an inhabited lake; and the chops recalled times more ancient still.
When a river is embanked at a given point, and, consequently, the water of its floods, which would otherwise spread over a wide surface, is confined within narrow limits, the velocity of the current and its transporting power are augmented, and its burden of sand and gravel is deposited at some lower point, where the rapidity of its flow is checked by a dam or other artificial obstruction, by a diminution in the inclination of the bed, by a wider channel, or finally by a lacustrine or marine basin which receives its waters.
But in penetrating into the true interior, the traveller takes a final leave of all such formations; and in advancing to the heart of the continent, he traverses a vast region which, to all appearance, has ever been under terrestrial and lacustrine conditions only.
Indeed, the whole of the Dry Belt down to Lytton has the appearance, to an eye only slightly cognisant of geological evidence, of an ancient lacustrine valley.
We find lacustrine marls on the sides of the Esquiline Hill where it slopes down into the Forum, and fresh-water bivalve and univalve shells in the ground under the equestrian statue of Marcus Aurelius on the Capitol; while on the face of the Aventine Hill, overhanging the Tiber at a height of ninety feet, is a cliff of travertine, which is half a mile long.
There are some other superficial deposits, of less consequence on the present occasion than the diluvium namely, lacustrine deposits, or filled-up lakes; alluvium, or the deposits of rivers beside their margins; deltas, the deposits made by great ones at their efflux into the sea; peat mosses; and the vegetable soil.
According to Sir B. Murchison, such have been the main features of Africa during countless ages; 'for the old rocks which form her outer fringe, unquestionably circled round an interior marshy or lacustrine country, in which the dicynodon flourished at a time when not a single animal was similar to any living thing which now inhabits the surface of our globe.
Nor is their rarity surprising, when we remember how large a proportion of the bones of tertiary mammals have been discovered either in caves or in lacustrine deposits; and that not a cave or true lacustrine bed is known belonging to the age of our secondary or palæozoic formations.
"The mountain ranges mostly extend north and south; and there is space between them for some considerable rivers, as the Rio Grande in Luzon has a course of 220 miles. The Agusan in Mindanao is navigable for 60 miles. In this island are several lakes, with rivers flowing from them. In addition to which are many lacustrine basins." "Spare us, Professor!" exclaimed Uncle Moses.
Among the remains of fish in these post-eocene strata of the United States are several large teeth of the shark family, not distinguishable specifically from fossils of the faluns of Touraine. Lower Miocene Strata of France. Line between Miocene and Eocene. Lacustrine Strata of Auvergne. Fossil mammalia of the Limagne d'Auvergne. Lower Molasse of Switzerland.
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