Collier's New Encyclopedia

A complete general encyclopedia of 1921 — the world as it was understood just after the Great War, from Aachen to Zwingli, across twelve volumes and six thousand pages.

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Stronsay

one of the Orkney Islands, 12 miles N. E. of Kirkwall; about 7 miles long and 4½ miles broad. It is of moderate elevation, and its coasts are deeply indented. The soil is mostly good, and is now well cultivated. metals of the alkaline earths, occupying an intermediate position as regards rega many of its properties to calcium and an intermediate position as regards It is less abundant in nature than barium, and occurs as a constituent in It is less abundant in nature than which are respectively the carbonate the minerals strontianite and celestine, metallic state it is usually white, heavy, oxidizable in air, and decomposing water at ordinary temperatures. The most imoxidizable in air, and decomposing water at ordinary temperatures. The most imin 1808 by electrolysis. It resembles baryta, forming a white soluble hydrate (SrO,H₂O), which is the compound formed when the metal decomposes water. Strontia is best prepared by decomposition of the nitrate by heat; while belonging to the natural order Apocynbelonging to the natural order Apocynthe corolla is funnel-shaped, with its the corolla is fun funnel-shaped, with its Asia. The flowers are in terminal heads; limb divided into five long cord-like seg- Each follicle contains a large number of There are several species, but the best the seeds of which are now largely used in medicine. This species is widely distributed in tropical Africa, and climbs up the highest trees, hanging from one the seeds is used as an arrow poison (Kombé or inee) in districts widely country, in the Zambesi district, in the Somali country, in the Gaboon district, in Guinea, and in Senegambia.

In the British "Pharmacopœia" strophanthus is defined as the mature ripe seeds of S. hispidus, variety Kombé, freed from the awns. The seeds contain an active principle, strophanthin, which is extremely poisonous, the medicinal dose of it being To to do grain. Its action and uses are very similar to those of digitalis.

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