Acone Eye of Insects

One composed of retinulæ of six visual cells, surrounding a central cell, each containing a rhabdomere. Aconite. Plants of the genus Aconitum , especially A. napellus and A. ferox , natives of the old world. Known also as Wolf's-bane and Monk's-hood. There is scarcely any drug which is so effective in lowering elevated temperatures of the body as this; but, on account of its depre ing action upon the heart, considerable caution is nece ary in its use. Both the tuberous root and leaves are used in medicine in cases of rheumatism, neuralgia,etc. IMG:content-0040.png:[blocks in formation] and named St. Jean d'Acre; regained by Saracens 1291, when 60,000 Christians perished; fell into hands of Turks 1517. Bonaparte failed to take it by a two months' siege 1799. Mostly destroyed in siege of nearly six months by Ibrahim Pasha 1831-32; stormed and taken by English Nov. 3, 1840, and handed over to Turks 1841. Pop. ab. 8,000.