volutite (volutit)

[ volutoid (vol'ū-toid), a. and n. [ II. n. A volute. A Volutite (Volvaria bul IMG:content-1946.jpg:[ocr errors] volva (vol'vä), n.; pl. volvæ (-ve). [NL., volva , vulva , a wrapper, covering, volvere , roll: see volute . Cf. vulva.] In bot . , a wrapper or external covering of some sort; specifically, in Hymenomycetes , same as velum uni ver sale . Compare exo peridium . See velum , 2, and cut under Fungi . Volvaria (vol-vāʼri-a), n. [NL. (Lamarck, 1801), volva , a wrapper, cover: see volva , vulva .] A genus of tectibranchiate gastropods, of the family Actæonidæ , represented by extinct Tertiary shells, as V. bulloïdes : formerly in- cluding certain smooth shells of the family Marginellidæ . See cut under volutite . volvate (vol'vāt), a . [ volva + -ate1 .] In bot . , producing, furnished with, or characteristic of a volva. shells, bringing a very high volvet (volv), v. t. [ price. Many the volutes ing well known, they take more distinctive names. Such is the West Indian music-shell, Vo luta music a, so called because the markings resemble written music. This species, unlike most volutes, is operculate, and is placed by some authors in A Volute, the Music-shell another genus, Volutolyria or ( Voluta or Volutolyria mu sic a ). are Music a . Some volutes known as bat - shells , as V. vesper tilio ; others as yets or boat - shells and melon - shells (see cuts under Cymbium and Melo ) ; and some forms, as Cymbium , are oviparous. See also cut under Volutidæ . (b) A volution or whorl of a spiral shell. Canal of a volute, a channel inclosed by a list or fillet, in the face of the circumvolutions of the Ionic capital. - False volutes, the Turbinellidæ. P. P. Carpenter. II. a . In bot ., rolled up in any direction. volute-compa (vō-lūtʼkum"pas), n . A form round or about, roll. From the same L. verb are ult. E. convolve, devolve, evolve, involve, re volve, etc., volute, volt, vault1, vault2, etc.] To turn over; revolve, especially in the mind; consider; think over. I volued , to urned, and redde many volumes and bokes, conteyning famouse histories. Berners, tr. of Froi art's Chron., Pref. I have been volving and revolving in my fancy some time, but to no purpose, by what clean device or facete contrivance I might modulate them. Sterne , Tristram Shandy, V. 109. (Davies.) volvelle (vol-vel'), n. [F.] A small and generally circular movable plate affixed to an engraving containing a dial or lottery, and made to carry the index-hand or pointer; any movable engraving superimposed on another for the pur of compa ed, in drafting, to trace a spiral by pose of showing variations. N. and Q., 6th means of the gradual mechanical expansion of the legs. voluted (võ-lū'ted), a. [