squaloraja (jas y)

[Mod. Lat. squalus, and raja.] Palæont.: A genus of Selachoidei, from the Lias of Lyme Regis. (For detailed description, see Proc. Zool. Soc., 1886, pp. 527-38.) *squal-ŭs, s . [Lat.] Ichthy.: A Linnæan genus of Amphibia, with five lateral spiracles. It was approximately equivalent to the modern Selachoidei (q.v.), and, in a more or le modified form, found a place in several cla ifications, but has now lapsed. squā-ma ( pl. squā'-me), s. [Lat.=ascale.] 1. Bot .: A scale. [SCALE (1), s ., II. 1 (1).] 2. Compar . Anat .: A horny scale. [SCALE (1), 8., II. 2, 3.] 2. Pathol. ( pl .): An order of skin-diseases in which a morbid secretion of the epidermis produces scales or scurf, readily detached, but reproduced again and again by desquamation; the scales are degen erated, thickened, dry epidermis covering minute papular elevations of the skin. Local heat and itching are present, but there is no constitutional disturbance. The order comprehends psoriasis, including lepra, pityriasis, and ichthyosis (q. v.). None is contagious. 4. Zool.: [ELYTRON, 2.] squă-mā-ceo us (ce as sh), a. [SQUAMA.] The same as SQUAMOSE (q. v.). †squă-mā-ta, s . pl . [Neut. pl. of Lat. squamatus =scaly.] Zool .: A section of Reptilia, in which the skin is covered with scales. It contains the Lizards and Snakes. squa-māte, squa-mat-ed, a. [SQUAMA.] Covered with small scale-like bodies; scaly. squă-mā-tion, s . [Eng., ., squam (a); -ation .] The formation of squamæ, or scale-like proce es, e. g., the rosettes of scale-shaped leaves in the rose willow. *squame, s . [Lat.squama.] A scale. "As orpiment, brent bones, yren squames ." Chaucer: C. Т. , 16,226. Still occasionally used in Natural Science, as in Huxley : Crayfish , p. 172. squă-měl-lạ, subst . [Dimin. from Lat. squama (q. v.). 1. Bot .: A scale-like, membranous bract, as on the receptacle in Composites. (In this sense there is a plural squa - měl - læ .) 2. Zool.: A genus of Rotifer a, family Euchlanidotæ. It has four eyes, and the trochal discs or rotatory organs are divided.