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An arrow poison, made from an apocynaceous plant (Strophanthus hispidus) of the Gaboon country; -- called also onaye.

A suborder of marine gastropod mollusks, in which the gills are between the foot and the mantle.

Having no operculum; -- said of certain gastropod shells.

r decay, lapse, or dilapidation; renewal; repair; renovation; renaissance. Some great catastrophe or . . . instauration. T. Burnet.

A subclass of Gastropoda, in which the body is symmetrical, the right and left sides being equal.

produces ivory nuts. -- Ivory shell (Zoöl.), any species of Eburna, a genus of marine gastropod shells, having a smooth surface, usually white with red or brown spots. -- Vegetable ivory, the meat of the ivory nut. See Ivory nut (above).

moths, which have stout, hairy caterpillars, flat beneath. Two common American species (Gastropacha Americana, and Tolype velleda) feed upon the apple tree.

tive tissue, or a membranous fold, which supports or retains an organ in place; as, the gastrophrenic ligament, connecting the diaphragm and stomach.

In a general sense, any hatshaped, or conical, gastropod shell.

ans by which the action of a poetic or fictitious work is carried on and brought to a catastrophe; in an extended sense, the contrivances by which the crises and conclusion of a fictitious narrative, in prose or verse, are effected. The machinery, madam, is a term invented by the critics, to signify that part which the…

A genus of spiral gastropod shells, often of large size, characteristic of the lower Silurian rocks.

intention to inflict evil; a threat or threatening; indication of a probable evil or catastrophe to come. His (the pope's) commands, his rebukes, his menaces. Milman. The dark menace of the distant war. Dryden.

The middle portion of the foot in the Gastropoda and Pteropoda.

The posterior division of the foot in the Gastropoda and Pteropoda.

Rhythmical arrangement of syllables or words into verses, stanzas, strophes, etc.; poetical measure, depending on number, quantity, and accent of syllables; rhythm; measure; verse; also, any specific rhythmical arrangements; as, the Horatian meters; a dactylic meter. The only strict antithesis to prose is meter. Wordsw…

One of the grand divisions of the animal kingdom, including the classes Cephalopoda, Gastropoda, PteropodaScaphopoda, and Lamellibranchiata, or Conchifera. These animals have an unsegmented bilateral body, with most of the organs and parts paired, but not repeated longitudinally. Most of them develop a mantle, which in…

A genus of marine gastropods, having rough, and frequently spinose, shells, which are often highly colored inside; the rock shells. They abound in tropical seas.

e five lines of the musical staff. -- Music shell (Zoöl.), a handsomely colored marine gastropod shell (Voluta musica) found in the East Indies; -- so called because the color markings often resemble printed music. Sometimes applied to other shells similarly marked. -- To face the music, to meet any disagreeable nece…

Any species of marine gastropods, of the genera Nassa, Tritia, and other allied genera of the family Nassidæ; a dog whelk. See Illust. under Gastropoda. -- nas"soid, a.

Any one of numerous species of marine gastropods belonging to Natica, Lunatia, Neverita, and other allied genera (family Naticidæ.) They burrow beneath the sand, or mud, and drill other shells.