Aquarius
"A zodiacal constellation, supposed to represnt a man standing with his left hand extended upward, and…
Aqueduct
"Aqueduct of Segovia, Spain. A conduit or channel for conducting water from one place to another."-Whitney,…
Aquila
"A northern constellation situated in the Milky Way, nearly south of Lyra, and containing the bright…
Aquilegia
"Inflorescence of Aquilegia vulgaris (garden columbine). a, flower; b, same, cut vertically; c, pistils."-Whitney,…
Araba
"A heavy, springless wagon, usually covered with a screen as shelter from the rays of the sun, drawn…
Araceæ
"Cuckoo-pint, or Wake-robin (Arum maculatum). a, spadix; b, stamens or male flowers; c, ovaries; d,…
Common peanut
"Common Peanut (Arachis hypogæa). a, flowers; b, ovaries on lengthened stipes; c, forming fruit;…
Araneida
"Mygale cæmentaria, typical of Araneida. A, female, natural size: At, cheliceræ; IV', pedipalpi;…
Norfolk Island Pine
"1. Norfolk Island Pine (Araucaria excelsa). 2. Cone of Araucaria Cookii."-Whitney, 1902
Arbalister
"One armed with the arbalist; a crossbowman; especially, a soldier carrying the arbalist of war."-Whitney,…
Arc Boutant
"The main rib or arch-band which crosses a vault at right angles and separates adjoining bays from each…
Arcature
"An arcade of small dimensions, such as a balustrade, formed by a series of little arches. Image: Arcature.-…
Arcature
"An arcade of small dimensions, such as a balustrade, formed by a series of little arches. Image: Arcature.-…
Extradosed Arch
"Extradosed Arch. a, abutments; v, voussoirs; s, springs; i, imposts; In, intrados; p, piers; k, keystone;…
Archaistic Statuette
"Archaistic Bronze Statuette from Verona, in the British Museum, in the imitation of Greek work, of…
Archerfish
"To this fish has been ascribed the power of shooting drops of water to the distance of 3 or 4 feet,…
Archimedean Screw
"A device for raising water, said to have been invented by Archimedes."-Whitney, 1902
Giant Squid
"Giant Squid (Architeuthis dux). (From Report of U.S. Fish Commission, 1884.)-Whitney, 1902
Water Bear
"A water-Bear, or Bear-animalcule (Macrobiotus schultzei), one of the Arctisca or Tardigradam, much…
Arenga
"Areng. It yields a black bristly fiber resembling horse hair, which makes excellent cordage, and is…
Argonauta argo
"Argonauta argo (male), with hectocotylized arm attatched. (several times smaller than the female, though…
Argonauta argo
"Argonauta argo (female), swimming in the direction of the large arrow- the smaller showing the current…
Steel Armet
"Steel Armet, about A.D. 1450. A, calotte or cap; a, neck-guard riveted to A, and having a prolongation…
Armillary Sphere
"An arrangement of rings, all circles of a single sphere, intended to show the relative positions of…
Armor
"Complete suit of Plate-Armor, now in Paris, date about 1440- the epoch of greatest perfection of defensive…
Army Worm
"Army-worm (Leucania unipuncta), about natural size. a, male moth; b, abdomen of female; c, eye; d,…
Arnotto
"Arnotto-extremely common in Jamaica and other parts of the West Indies, and has been introduced into…
Arrastre
"Mexican Arrastre. A rude apparatus used in Mexico, and to some extent in the United States, for grinding…
Arriere-voussure
"A rear vault; an arch or a vault placed within the opening of a window or door, and differing from…
Ascidium
"Ascidium of a Plant. Leaf of pitcher-plant (Nepenthes) with a winged petiole and terminating in an…
