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Same as Nematoid.

Any one of several species of bombycid moths belonging to Notodonta, Nerice, and allied genera. The caterpillar of these moths has a hump, or spine, on its back.

Having eighteen leaves to a sheet; as, an octodecimo form, book, leaf, size, etc.

Having eight teeth.

Of or pertaining to the Octodontidæ, a family of rodents which includes the coypu, and many other South American species.

An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction.…

The relation of light to the movements of plants and their organs; the study of the phenomena of curvatures induced by the stimulus of light. --Pho`to*dy*nam"ic (#), Pho`to*dy*nam"ic*al (#), a.

A division of marsupials in which there are more fore incisor teeth in each jaw.

See Mesenteron.

Same as Holothurioidea.

of printing paper when folded so as to make sixteen leaves, or thirty-two pages; as, a sextodecimo volume.

Wet. [Prov. Eng.] G. Eliot.

A division of Protozoa in which a mouthlike opening exists.

Same as Stomodæum.

One of the Stomatoda.

One of the Trematodea. Also used adjectively.

ch the fluke is the most important, are injurious parasites of domestic animals. The trematodes usually have a flattened body covered with a chitinous skin, and are furnished with two or more suckers for adhesion. Most of the species are hermaphrodite. Called also Trematoda, and Trematoidea. See Fluke, Tristoma, and Ce…

The quality or condition of being accommodable. [R.] Todd.

Without a brain; brainless. Todd & B.

e parasites Agchylostoma duodenale, Uncinaria (subgenus Necator) americana, or allied nematodes, in the small intestine. When present in large numbers they produce a severe anæmia by sucking the blood from the intestinal walls. Called also miner's anæmia, tunnel disease, brickmaker's anæmia, Egyptian chlorosis.…