CHAMBERS'S INFORMATION FOR THE PEOPLE. 



Antennae of insects, 145 ; of bees, 673, 675. 



Anther, in Vegetable Physiology, 74. 



Antheridia, in Vegetable Physiology, 75. 



Anthracene, colouring-matter, 340. 



Anthracite (Gr. anthrax, coal), a variety of coal 

 almost wholly deprived of its bitumen, 386. 



Antidotes, in Surgery, substances given to alter 

 the chemical properties of poisons, 782. 



Antimony, in Chemistry, 327 ; in Metallurgy, 414. 



Antiseptic, 414. 



Ants (Formicid<z\ their natural history, in Zoology, 

 148. 



Apatite, or native calcium phosphate, 392. 



Apes, anthropomorphous, 191. 



Aphelion (Gr. apo, from, he lion, the sun), 8. 



Aphis (aphides, or plant-lice), in Zoology, 146. 



Aphonia, treatment of, 772. 



Apiary, practical management of, 681-687. 



Apoda, order in Zoology, 157. 



Apogee (Gr. apo, from^-/, the earth), in Astronomy, 

 10. 



Apoplexy, treatment of, 777. 



Apple, varieties and cultivation of, 578. 



Apricot, character and cultivation of, 585. 



Aqua-regia, a mixture of nitric and muriatic acids 

 (nitro-muriatic acid), so called from its power of 

 dissolving gold, the king of the metals, 403. 



Aquariums, in Floriculture, 574. 



Aquatic, term applied to plants, 67. 



Aqueducts, ancient and modern, 497, 498. 



Aqueous or stratified rocks, 18. 



Arachnida (Gr. arachn/, a spider), in Zoology, 143. 



ARBORICULTURE (Lat. arbor, a tree, and colere, to 

 cultivate), the art of cultivating trees and shrubs, 

 which are chiefly grown for timber, for shelter, 

 or for ornamental purposes, 593-608. 



Arcade, Doric, in Architecture, 471. 



Arch (arcus, a bow), in Architecture, 471. 



Archaeopteryx macrura, in Zoology, 176. 



Archipelago, meaning of the term, 55. 



ARCHITECTURE, 465-480; Egyptian, 465; Baby- 

 lonian and Assyrian, 467 ; Greek, 468 ; orders of, 

 469 ; Roman, 471 ; Gothic, 472 ; Early English, 

 474 ; Byzantine, Saracenic, and Moorish, 475 ; 

 Italian, 476 ; Indian, 477 ; Chinese, 480; Ancient 

 American, Practical, 480. 



Architrave, or Epistylium, in Grecian Architecture, 

 469. 



Arctic and Antarctic Circles, in Physical Geog- 

 raphy. Arctic, from the Greek arctos, the constel- 

 lation of the Little Bear, in the tail of which is 

 the pole-star, or star nearest to the north pole. 

 Antarctic, from anti, against or opposite, arctos, 

 the Little Bear, 52. 



Argali, variety of sheep, 641. 



Argand burner, 491. 



Argillaceous (Lat. argilla, clay), composed of clay, 



393- 



Aristolochiaceae, order in Botany, 105. 

 Armadillo, described and figured, in Zoology, 179. 

 Arnotto, a colouring-matter, 342. 

 Arrowroot, manufacture and dietetic uses of, 741. 

 Arsenic, in Chemistry, 331; in Metallurgy, 414; 



as a poison, 782. 



Arteries, their character and functions, 118, 772. 

 Artesian wells, 505. 

 Arthropoda, division in Zoology, 142. 

 Artichokes, nature and culture of, 557 ; Jerusalem, 



552. 



Artiodactyla, section in Zoology, 181. 

 Asbestos, or amiantus, its nature and uses, 395. 



802 



Ascidoida, or Tunicata, class in Zoology, 1 50. 



Ash, varieties, character and culture of, 598. 



Asparagus, nature and culture of, 557. 



Asphalt, its nature and uses, 366, 388. 



Asphyxia (Gr. a, without, sphyxis, pulsation), sus- 

 pension of the power of respiration, arising from 

 drowning, suffocation, &c. ; treatment of, 782. 



Asteroidea, Asterias, or star-fishes, family in 

 Zoology, 138. 



Asteroids, or small planets, 3, 7. 



Asthma, treatment of, 773. 



Astringents, in Medicine, 771. 



ASTRONOMY, 1-16. 



Atavism, in Zoology, 131. 



Atmosphere, the, composition of, 33-40, 51 ; weight 

 of, 236 ; height of, 238 ; electricity of, 267. 



Atmospheric engine, figured, 423. 



Atom (Gr. a, and temno, I cut) and atomic theory, 

 in Chemistry, 318; in Natural Philosophy, 195. 



Atomic and molecular forces, 195. 



Atomic weight, notation, 315. 



Atomicity, doctrine of, in Chemistry, 318. 



Atropaceas, order in Botany, 102. 



Attraction of matter, 195, 196; electrical attrac- 

 tion, 261. 



Auks and puffins (Alcidce), in Ornithology, 167. 



Aurantiacese, a natural order in Botany, 92. 



Auricle, 118; part of ear, 127. 



Auricula, nature and culture of, 567. 



Auriferous (Lat. aurum, gold, fero, I bear), that 

 which yields gold, as auriferous sands, 402. 



Aurora Borealis, streamers, or northern lights, 47. 



Australian beef and mutton, 767. 



Aves, or Birds, 166-176. 



Aviary (Lat. avis, a bird), a place devoted to the 

 keeping of singing and ornamental birds, 672. 



Avogadro's law, in Chemistry, 318. 



Axis (Lat), in Astronomy, i, 8, 51. 



Azote, the old term for nitrogen gas, 320. 



Baboons, order Quadrumana, in Zoology, 191. 



Babyroussa, one of the swine family, in Zoology, 

 181. 



Bacon, its preparation and dietetic value, 746. 



Bacteria, in Zoology, 134. 



Badgers, Plantigrade family, in Zoology, 185. 



Bait-fishing, 701 ; baits, 699. 



Baking, in Cookery, 754. 



Balaenidae (Lat. balcena), the Whale family, 179. 



Balance, a machine for weighing, of which there 

 are several kinds in use as the common scale- 

 balance, the bent lever-balance, the spring- 

 balance, the steelyard, 210, 212. 



Balance and balance-spring, in Horology, 302. 



Baleen, the technical term for whalebone, 179, 

 717. 



Ballast, ballasting, in Maritime Conveyance, 453. 



Ballcock, construction and use of, 504. 



Balloons, in Pneumatics, 240. 



Bamboo, an Asiatic genus of the grasses. The 

 bamboo is arborescent in its growth, varying 

 from 6 to 150 feet in height, and in point of 

 varied utility is one of the most important 

 members of the vegetable kingdom, no. 



Bands or straps, in Machinery, 219. 



Barium, the metallic base of the earth baryta, 32 



Barker's Mill, 235. 



Barley, in Agriculture, 529 ; in Dietary, 739. 



Barnacles, in Zoology, 142. 



Barometer, principles and construction of, 40, 



Barque, 452. 



