[A`cis], a Sicilian shepherd enamoured of Galatea, whom the Cyclops Polyphemus, out of jealousy, overwhelmed under a rock, from under which his blood has since flowed as a river.
[Ack`ermann, R.], an enterprising publisher of illustrated works in the Strand, a native of Saxony (1764-1834).
[Acland, Sir Henry], regius professor of medicine in Oxford, accompanied the Prince of Wales to America in 1860, the author of several works on medicine and educational subjects, one of Ruskin's old and tried friends (1815).
[Aclinic Line], the magnetic equator, along which the needle always remains horizontal.
[Acne], a skin disease showing hard reddish pimples; Acne rosacea, a congestion of the skin of the nose and parts adjoining.
[Acoemetæ], an order of monks in the 5th century who by turns kept up a divine service day and night.
[Aconca`gua], the highest peak of the Andes, about 100 m. NE. of Valparaiso, 22,867 ft. high; recently ascended by a Swiss and a Scotchman, attendants of Fitzgerald's party.
[Aconite], monk's-hood, a poisonous plant of the ranunculus order with a tapering root.
[Aconitine], a most virulent poison from aconite, and owing to the very small quantity sufficient to cause death, is very difficult of detection when employed in taking away life.
[Acorn-shells], a crustacean attached to rocks on the sea-shore, described by Huxley as "fixed by its head," and "kicking its food into its mouth with its legs."