thysanura

pl. [Gr. thysanos =fringe, and our a a tail.] 1. Entomology : *(1) An order of Insect a founded by Latreille, embracing Thysanura Genuina ((2)) and Collembola (q. v.). (2) According to Lubbock, an order of Insect a, the male it is called Adam's apple. thyroid-gland, s. [THYROID-BODY.] thy-roid-e-al, a . [Eng. thyroid ; -eal.] Pertaining or relating to the thyroid-gland or cartilage. thy-rop-ter-a, s. [Gr. thyra =a door, and pteron =a wing.] Zool.: A genus of Vesper til i on ide (q. v.), forming a separate group of that family ( Dobson : Catal. Chir., p. 553). Muzzle elongated, slender; crown cone considerably elevated above the forehead; nasal apertures circular; ears funnel-shaped; bases of the thumbs and soles of the feet with highly specialized organs in the shape of hollow suctorial discs. There is but one species, Thyroptera tricolor , from Brazil. It is a small bat, with moderately long, dense fur, reddish-brown above and below, except breast and abdomen, which are pale yellow ish white. IMG:content-1099.png:[blocks in formation] order [(1)]. Antenne long, many-jointed, tarsi from two to four joints, mandibles and maxillæ more or le exposed; maxillary palpi often long; labium more or le cleft in front; prothorax large; some of the abdominal segments bear pairs of appendages, and there are generally two or three caudal bristles. [COLLEMBOLA.] 2. Palæont.: Their remains are often found in amber, which is of Post-Tertiary date. *thy-sa-nür-I-form, a . [Mod. Lat. thysanura, and Lat. form a =form.] Entom. Of or belonging to, or resembling the Thysanura (q.v.). Used by Swains on of a certain type of caterpillars, having the head armed with distinct spines, forming a crest round its hinder part, or divided into two hornlike points; the extremity of the body also terminating in two pointed proce es. Examples, the larve of the large Nymphal ide of Tropical America, Hipparch iæ, . thy-self', *thi-self, *thy-selfe, pron . [English thy , and self .] A reflexive pronoun used after thou (expre ed or understood), to mark distinction with emphasis. IMG:content-1100.jpg:[blocks in formation] form.] Bot.: Resembling a thyrsus.