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Updated: May 31, 2025
In the others a strong limy skeleton was developed, and the nerves and other organs were modified in adaptation to the bud-like or flower-like structure. In the living Comatula we find a star passing through the stalked stage in its early development, when it looks like a tiny sea-lily. * See the section on Echinoderms, by Professor MacBride, in the "Cambridge Natural History," I.
Great unconformities, UU' separate the Algonkian both from the Archean and from the Cambrian, and divide it into three distinct systems, the LOWER HURONIAN, the UPPER HURONIAN, and the KEWEENAWAN. The Lower and the Upper Huronian consist in the main of old sea muds and sands and limy oozes now changed to gneisses, schists, marbles, quartzites, slates, and other metamorphic rocks.
DEPOSITS OF GROUND WATER IN ARID REGIONS. In arid lands where ground water is drawn by capillarity to the surface and there evaporates, it leaves as surface incrustations the minerals held in solution. White limy incrustations of this nature cover considerable tracts in northern Mexico. Evaporating beneath the surface, ground water may deposit a limy cement in beds of loose sand and gravel.
The Silky Epeira is worsted. The other swathes her in bonds, drags her to the non- limy central floor and, in the calmest fashion, eats her. The dead Spider is munched for twenty-four hours and drained to the last drop, when the corpse, a wretched, crumpled ball, is at last flung aside.
As the children grow older more solids are deposited in the body and the proportion of solid matter to water grows greater. Lime is deposited in the bones. When they are limy throughout they are said to be ossified. After this process is complete no more growth can take place. Bone formation continues until about the age of twenty-five. At this age the body is efficient.
As organic life, such as secretes limestone, is rarely developed to any extent in lake basins, limy beds are very rarely formed beneath those areas of water. Where they occur, they are generally due to the fact that rivers charged with limy matter import such quantities of the substance that it is precipitated on the bottom.
They are deposited in a smooth hole prepared for them in the ground and hatched within twenty days. So rapidly do they grow that they are ready for market six or eight weeks after hatching. The snail park is made by inclosing a plot of damp, limy soil with smooth boards coated with tar to prevent the snails climbing out, and held in place by outside stakes strong enough to withstand the wind.
December 8 was the date fixed for the attack. On December 7 rain fell unceasingly. The roads, which had been drying, became a mass of slippery mud to the west of Jerusalem, and on the Hebron side the Welsh troops had to trudge ankle deep through a soft limy surface. It was soon a most difficult task to move transport on the roads.
If, now, we take a portion of the limestone layer which lies above or below the shale parting, and carefully dissolve out with acids the limy matter which it contains, we obtain a residuum which in general character, except so far as the particles may have been affected by the acid, is exactly like the material which forms the claylike partition.
Rosemary is easily propagated by means of cuttings, root division and layers in early spring, but is most frequently multiplied by seed. It does best in rather poor, light soil, especially if limy. The seed is either sown in drills 18 to 24 inches apart or in checks 2 feet asunder each way, half a dozen seeds being dropped in each "hill."
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