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omplete convolution (of a coiled conductor) into one ampère of current; thus, a conductor having five convolutions and carrying a current of half an ampère is said to have 2½ ampère turns. The magnetizing effect of a coil is proportional to the number of its ampère turns.

A division of insects having aquatic larvæ.

Having the ability to live both on land and in water, as frogs, crocodiles, beavers, and some plants.

Having both ends concave; biconcave; -- said of vertebræ.

A peculiar small siliceous spicule having a denticulated wheel at each end; -- found in freshwater sponges.

Having a structure entirely cellular, and no distinct sexual organs; -- a term applied by De Candolle to the lowest order of plants.

s body is pointed at both ends. It is the lowest and most generalized of the vertebrates, having neither brain, skull, vertebræ, nor red blood. It forms the type of the group Acrania, Leptocardia, etc.

Doubly prostyle; having columns at each end, but not at the sides. -- n.

Having a sucker at each extremity, as certain entozoa, by means of which they adhere.

Having the mandibular arch articulated with the hyoid arch and the cranium, as in the cestraciont sharks; -- said of a skull.

A kind of annelid larva having both a dorsal and a ventral circle of special cilia.

Having the ovule inverted, but with the attachment near the middle of one side; half anatropous.

A genus of amphibians, inhabiting the Southern United States, having a serpentlike form, but with four minute limbs and two persistent gill openings; the Congo snake.

Having the outer edge prominent; said of the wings of insects.

A narrow-necked vessel having two handles and bellying out like a jug.

Having an ampulla; flask-shaped; bellied.

Having power to amuse or entertain the mind; fitted to excite mirth. [R.] -- A*mu"sive*ly, adv. -- A*mu"sive*ness, n.

Pertaining to, or having the nature of, the rock amygdaloid.

. Amylic alcohol (Chem.), one of the series of alcohols, a transparent, colorless liquid, having a peculiar odor. It is the hydroxide of amyl. -- Amylic fermentation (Chem.), a process of fermentation in starch or sugar in which amylic alcohol is produced. Gregory.

Mystical; having a secondary spiritual meaning; as, the rest of the Sabbath, in an anagogical sense, signifies the repose of the saints in heaven; an anagogical explication. -- An`a*gog"ic*al*ly, adv.