Psilopædes (silopedez)

pl. [ The Century Dictionary and Cyclopedia Psilopædes with Altrices , but of more exact signification. The antithesis is Ptilopædes or Dasypædes . Also called Gymnopædes. psilopædic (sī-lō-pēʼdik), a . [ Psilopæd - es + -ic .] Of or pertaining to the Psilopædes : op posed to ptilopædic and hest hogen ous . Also gym nopædic. Psilophyton (sī-lof'i-ton), n. [NL., ψιλός , bare, smooth, + φυτόν , a plant: see phyton.] A genus of fo il plants considered by Dawson as being a connecting-link between the rhizo carps and lycopods, and so named by him in consequence of its partial resemblance to certain parasitic lycopods placed in the modern genus Psilotum . This plant is abundant in the Devonian of Gaspé Bay, Canada. Remains of plants referred to this genus by Lesquereux are also said to have been found in 4820 psittacine (sit'a-sin), a. [ psittacinus , of or pertaining to a parrot, psittacus , a parrot: see Psittacus .] Parrot-like; resembling or re- lated to parrots; of or pertaining to the Psittaci or Psittacidæ in any sense; psittacomorphic. Also psittacean , psittaceous , psittacid . Psittacini (sit-a-si'ni), n . pl . [NL., Psittacus +-ini.] Same as Psittaci . psittacinite (sit'a-si-nīt), n. [ psittacine + -ite2 .] A vanadate of lead and copper from Montana, occurring in thin crusts of a siskin or parrot-green color. Psittacirostra (sit"a-si-ros'trä), n . [NL., psittacus ( ψιττακός ), a parrot, + rostrum , beak.] A remarkable genus of Hawaiian birds of the family Dicæidæ , having a stout fes- both Ohio and Michigan: in the former case, in rocks of tooned bill. The only species is the parrot-billed gros Lower Silurian age; in the latter, of Upper Silurian. The plant has also been found in the Devonian of England and Germany. Psiloptera (sī-lop'te-rä), n. [NL. (Solier, 1833), ψιλός , bare, naked, + πτερόν , wing, = E. feather .] An important genus of buprestid beetles, comprising more than a hundred species, extremely variable in form, and found mainly in Africa and South America. Psilorhinus (si-lō-ri'nus), n . [NL. (Rüppell, 1831), ψιλός , bare, + ῥίς ( ῥιν- ), nose.] An American genus of Corvidæ , containing large magpie-like jays, of dark coloration, with very long graduated tail, crestle head, a stout bill, and naked nostrils; the smoky pies. There are several species, as the brown jay, P. morio. This bird inhabits Texas and Mexico, is smoky-brown, paler below, with bluish glo on the wings and tail, the bill black or yellow, the length 16 inches, of which the tail is about one half. Psilosomata (sī-lō-sō'ma-tä), n . pl . [NL., ψιλός , bare, + σῶμα , body:: see Psila.] In De Blainville's cla ification (1825), a family of his Apo rob ranch i at a , consisting of the genus Phyllirhoë alone. It was one of three families of pteropods, contrasting with Thecosomata and Gym no somata. It is now generally called Phyllirhoidæ and referred to the nudibranchiates. See cut under Phylli rhoë. psilosopher (sī-los'ō-fėr), n. [ ψιλός , bare, mere, + σοφός , wise.] A would-be or pretended philosopher; a sham sage; an incompetent or mean pretender to philosophy. [Rare.] Imp . Dict. Psittaci (sit'a-sī), n . pl . [NL., pl. of Psitta cus.] An order of birds, having the bill hooked and cered, and the feet yoke-toed; the parrots, or the parrot tribe. This is one of the most natural and well-marked groups in ornithology, formerly referred to an "order" Scan sores . The feet are permanently zygodactyl by reversion of the fourth toe, and cov ered with rugose or granular scales or plates. The wings have ten primaries, and the tail has ten rectrices. The bill is strongly epignathous, and furnished with a naked or cere. The tongue is thick and fleshy, infestecularly brush, and may be used as a somo taction or prehension; the upper mandible is peculiar ly movable, and the beak is habitually employed in progre ion. The symphysis of the lower jaw is short and obtuse. The bony orbits of the eyes are often completed by union of the lacrymal with the postorbital proce . The sternum is entire or simply fenestrated behind, and the clavicles are weak, sometimes defective or wanting. The lower larynx or syrinx is peculiarly constructed, with three pairs of intrinsic muscles. The plumage is after shafted; the oil-gland is absent, or present and tufted; there are no cæca and no gall-bladder; the carotid arteries are variable; the ambiens muscle is present, variable, or absent; the femorocaudal, semit endinosus, and its acce ory are present; the acce ory femorocaudal is absent. The Psittaci are considered to represent only one family, Psittacida ; or two families, Stringopidæ and Psittacidæ (Sclater); or two families, Palæornithidæ and Psittacidæ (Garrod, Coues); or three families, Psittacidæ , Cacatuide , and Strigopidæ (Gray); or nine families, Stringopidæ , Plis solophidæ , Platycercidæ , Micropsittacidæ, Trichoglo idæ , Palæornithidæ, Psittacidæ , Conuridæ , and Pionidæ . There are upward of 400 species, inhabiting all tropical regions, but poorly represented in the temperate zones. They are chiefly frugivorous, and are sometimes called frugivorous Raptores. See the family names, and cockatoo , lory , lor i keet, love- bird , macaw , owl -parrot, parrakeet , and parrot. Also called Psittacinæ , Psittacini , and Psittacomorphæ . psittacid (sit'a-sid), n . and a . I. n. A parrot, as a member of the Psittacidæ in any sense. II. a . Same as psittacine . Psittacidæ (si-tas'i-dē), n . pl . [NL., Psitta cus +-idæ.] A family of Psittaci ; the parrots. (a) The only family, conterminous with the order. In this sense the Psittacidæ are divided by Finsch into 5 subfamilies: Str in go pinæ , owl-parrots; Plictolophinæ , cockatoos; Sittacine , with numerous genera, both American and Old World; Psittacinæ ; and Tri chog lo inæ, the lories. See cuts under owl -parrot, parrot , parrakeet , Prion it urus . (bt) Restricted by exclusion of the owl-parrots and cockatoos, and divided into Pezoporinæ , Arinæ , Lorinæ, Tri chog lo i næ, Nestor inæ, and Psittacinæ. G. R. Gray. (c) Restricted by exclusion of the Palæornithinæ to Psittaci with two carotids, of which the left is normal, and divided into Ari næ, Pyrrhurinæ, Platycercinæ, and Chrysotinæ. Garrod; Coues. (d) Restricted to the gray African parrots of the genera Psittacus and Cor a cops is . Reichenow . beak, P. psittacea . Originally Psittirostra . Temminck , 1820. Also called Psittacopis , Psittacina . Psittacomorphæ (sit"a-kō-môr'fē), n . pl . [NL. (Huxley, 1867), ψιττακός , a parrot, + μορφή , form.] A superfamily of desmognathous car i- nate birds, established by Huxley in 1867, cor- responding to the order Psittaci . The technical characters used in defining the group are the arched and hooked rostrum, regularly articulated with the skull; no bas i pterygoid proce es; movable, vertically elongated palatines; spongy max ill opal a tines; lacrymal and post or- bital proce es approximated or united; quadrate bone with a small orbital and single mandibular facet; mandib- ular rami deep, with rounded truncate symphysis; ster- num unnotched or single fenestrate; clavicles weak and separate, or wanting; tarsometatarsus short, broad, with two articular facets on its outer distal end, for jointing with the reversed fourth digit; syringeal muscles three pairs; contour-feathers after shafted, and oil-gland with a circlet of feathers when present. psittacomorphic (sit"a-kō-môr'fik), a . [ Psit- tacomorph -æ + -ic.] Having the structure of a parrot; belonging to the Psittacomorphæ ; psittacine. Psittacula (si-tak'ū-lä), n. [NL. (Bri on, 1760), dim. of Psittacus , q. v.] A genus of Psit- tacidæ , sometimes made the type of a subfam- ily Psittaculinæ , containing the pygmy parrots of various countries, some of which are com- monly known as love - birds , and including in its different applications a large number of small species with short tail and mostly green color a- tion. (a) American parrots, such as P. pa er in a and sun- dry other small species. Illiger , 1811. (b) African species of small size, as P. pullaria or P. rose i coll is , now placed in Aga porn is . These are the love-birds proper. (c) Vari- rots, among them species of Loriculus and Nasiterna . ous small Indian, Philippine, Papuan, and Austerna par Psittaculinæ (si-tak-ū-li'nē), n . pl . [NL., Psittacula + -inæ.] A subfamily of Psittacidæ , named from the genus Psittacula . Psittaculus (si-tak'ū-lus), n. [NL., dim. of Psittacus , q. v.] 1. Same as Psittacula (a). Spix , 1824.-2. Same as Psittacula ( c ), or Lori- culus . Swains on , 1837. Psittacus (sit'a-kus), n . [NL., psittacus , ψιττακός , also ψιττάκη (also βίττακός , σιττάκη ), a parrot; prob. of foreign origin.] A Linnean genus of Psittaci , formerly conterminous with the order, subsequently variously restricted, now usually confined to the gray African par- rots, or jackos (as P. erithacus , in which the plumage is grayish, with a short square red tail), which are among the commonest cage- birds. See cut under parrot . psittaket, n. [ME. psitake ; psittacus , Psittacus .] A parrot. And there ben man ye Popegayes, that the i clepen Psitakes in hire Langage. Mandeville , Travels, p. 274. Psittirostra (sit-i-ros'trä), n . [NL.] Same as Psittacirostra . psoadic (sō-ad'ik), a . [ psoas (a umed stem psoad- ) + -ic .] Of or pertaining to the psoas muscles; psoatic: as, the psoadic plexus. Owen . psoas (sō'as), n . [NL., prop. psoa (the form psoas being perhaps due to a genitive psoas ), ψόα , also ψύα , usually in pl. ψόαι , ψύαι , α muscle of the loins.] A muscle of the loins and pelvis; the tenderloin.-Psoas absce , a burrow ing absce formed by caries of the spine, and confined by the sheath of the psoas magnus muscle. - Psoas magnus, a large fusiform muscle situated within the abdomen at the side of the bodies of the lumbar vertebræ, from which it takes its origin, and inserted with the iliacus into the trochanter minor of the femur. It helps to form the ili- opsoas. Also called psoas major lumbar is , and magnipsoas . See cut 3, c, under muscle , and tenderloin . - Psoas major. Same as psoas magnus . - Psoas parvus, a small muscle, frequently absent in man, lying on the front and inner side of the psoas magnus, and inserted into the brim of the pel- vis by a long tendon. Also called parvipsoas . psoatic (so-at'ik), a . [ psoas (a umed stem psoat- ) + -ic .] Of or pertaining to the psoas muscles; psoadic. Psocidæ (sos'i-dē), n . pl . [NL. (Stephens, 1836), Psocus + -idæ . ] An important family of pseu- psoriasis do neuropterous insects, typified by the genus Psocus , having an oval body, a free head, and a small prothorax. The wings when present are of unequal size, the hind pair being smaller. The tarsi are two or three-jointed. It comprises two subfamilies, the Atro pinæ and Psocinæ . The former contains wingle species, such as Atropos divinator i a , the common book-louse, and Cloth ill a pulsator i a (formerly Atropos pulsator i us ), the death-watch, while the latter contains a host of small winged forms which feed upon lichens, fungi, and decaying vegetation. Also Psocina . See cut under death -watch. psocine (sõ'sin), a . [ Psocus + -ine1.] Of or pertaining to the Psocidæ or Psocina , especially to the subfamily Psocinæ . Psocus (sõ'kus), n. [NL. (Latreille, 1797), ap par. for * Psochus , ψώχειν , rub in pieces (cf. deriv. ψῶχος , dust, sand); cf. * ψώειν , coll at. form of ψᾶν , rub away, grind.] A large and wide-spread genus of pseudo neuropterous in- sects, typical of the family Psocidæ . The species have ocelli, and the wings are well developed. P. venosus is often found in decaying cotton-bolls in the southern United States. psoitis (so-ī'tis), n . [NL., psoas + -it is .] In- flamm at i on of the psoas muscle. Psolidæ (sol'i-dē), n . pl . [NL. (Forbes, 1841), Psolus + -idæ .] A family mily of dendrochirotous dip neum on ous holothurians, typified by the ge- nus Psolus , having branching tentacles, a pair of water-lungs, vater-lungs, polar mouth and anus, uniserial pedicels, separate sexes, and Cuvierian organs. Psolus (so'lus), n . [NL. (Oken), Psolidæ , having the dorsal ambulacra atrophied. Psophia (sō'fi-ä), n. [NL., ψόφος , any in- articulate noise.] The only genus of Psophi- idæ , containing several species, the best-known of which is P. crepitans , the trumpeter, agami, or yakamik. See cut under agami . Psophiidæ (sō-fi'i-dē), n . pl . [NL., Psophia + -idæ .] A family of gruiform or gerano- morphic grallatorial birds, represented by the genus Psophia ; the trumpeters or agamis. They are confined to South America. The family is isolated, to some extent combining the characters of cranes and rails, and having some relationship with the seriema and kagu. The Psophiidæ share with tinamous the remarkable char- acter of a chain of suborbital bones. The sternum is en- tire; the pterylosis is crane-like; the legs are long, and the bill is stout, shaped somewhat as in gallinaceous birds; the plumage of the head and neck is short and velvety, that of the rump long and flowing. Also Psophidæ . psora (so'ra), n . [NL., L.psora , ψώρα , the itch, mange, ψώειν , ψᾶν , rub.] Same as scabies . Psoralea (so-ra lē-a), n . [NL. (Linnæus, 1753), so called in allusion to the glands or dots sprinkled over their surface; ψώρα , the itch, mange: see psora .] A genus of leguminous herbs and shrubs of the tribe Galegeæ , the type of the sub- tribe Psoralieæ , characterized by an ovary with one ovule, an indehiscent pod with its seed ad- herent, and entire calyx-lobes which are un- changed in fruit. There are about 105 species-over 40 in South Africa, 30 in North America, and others in both tropical and temperate regions. They are peculiar in their glandular-dotted herbage, bear compound leaves usually of three leaflets, and purple, blue, red, or white flowers, in heads or spikes, or variously clustered. Many species have been cultivated on account of their flowers, both for the lawn and for the greenhouse. P. esculent a , of the plains from the Saskatchewan to Texas, yields an edible tuberous root, known as pom me - de - prairie , pom me - blanche , prairie - turnip , prairie - apple , Cree potato , or Mi ouri bread root. Its introduction into Europe as an esculent was unsucce fully attempted at the time of the potato-rot. It is a rough-hairy plant with palmate leaves and dense oblong spikes of purplish flowers, and once yielded a great part of the food of the Indians. P. Lupin ell us is the small lupine of southern pine-barrens, a slender plant with violet flowers. P. bituminosa is the bitumen-trefoil, an evergreen shrub of the south of Europe. P. glandulosa is the Jesuit's tea or Mexican tea, known in Chili as culen , and there used to form a medicinal drink, also as a purgative and for poultices. For P. corylifolia , see bawchan - seed . psoriasis (sō-rī'a-sis), п . [NL., ψωρίασις , the itch, ψωριᾶν , have the itch, ψώρα , the itch, mange: see psora .] A chronic non-contagious skin-disease, characterized by reddish, slightly elevated, dry patches of varying size, shape, and number, covered with whitish or grayish imbricated scales. The upper stratum and papillæ of the corium become infiltrated with leucocytes, the lower part of the epidermis becomes overgrown, cornification of the surface is interfered with, and the cells become loosened. Psoriasis is found chiefly on extensor surfaces elbows, knees, back, and scalp-not on mucous surfaces.Psoriasis annular is or circinata, patches of psoriasis which have healed in the center, but are progre ing at the edges.-Psoriasis diffusa, patches of psoriasis of very irregular shapes. - Psoriasis guttata, psoriasis with drop-like nodules, of the size of peas. - Psoriasis gyrata, patches similar to psoriasis circinata, except that the edges take on a wavy, festooned, or figured shape. - Psoriasis linguæ. Same as leucoplacia . - Psoriasis nummular is, patches of psoriasis of the size and shape of small coins.Psoriasis palmar is, psoriasis affecting the palms of the hands. Psoriasis punctata, an early stage of psoriasis, with a small pinhead eruption. The Century Dictionary and Cyclopedia psoric psoric (sõ'rik), a. and n. [ If the Psoric theory has led to no proper schism, the reason is to be found in the fact that it is almost without any influence in practice. Quoted in. W. Holmes's Med. E ays, p. 83. II. n. A remedy for the itch.