ootocoidea

pl. [Gr. ta ōotoka =oviparous animals, as opposed to ta zōotoka viviparous animals ( Arist.: H. A., i. 5, 1); and eidos =resemblance.] Zool . Dana's fourth order of mammals, includ ing the Marsupial i a and Monotremata, which he terms Semi-oviparous. He refers his other orders to a sub-cla including typical mammals; and the semi-oviparous to a second, including the nontypical species, intermediate in some important respects between mammals and oviparous vertebrates. oô-trăm, s. [OTRUM.] 183 gla gives it the opalescence of a cloudy medium."-Cas- sell's Technical Educator , pt. x., p. 235. õ-pal-ěsç'-ent, adj . [English opalesc (e); -ent.] Resembling opal; having the iridescent tints of opal; reflecting a colored luster from a single spot. õ-pa-li-na, s. [Mod. Lat., from Lat. opal us =an opal.] Zool.: The typical genus of the family Opalin- ide (q.v.). The species are mouthle , free-swim- ming, and ovate or elongate in shape. Van Beneden ( Animal Parasites , p. 78) says that "the rectum of frogs is always full of the species Opalina ranarum , which swarm in this cavity.. live on the contents of the intestine." A. As adj .: Pertaining to or resembling opal.. "Frequently mixed with a ruby or opaline redne ."- Cook : Third Voyage , bk. iii., ch. xiii. as fusible porcelain or milk-gla . It is a gla whitened by the addition of phosphate of lime, peroxide of tin, or other ingredients. opalized-wood, s. Wood petrified by silica so as to acquire a structure resembling that of com- mon opal. ō-păl-o-type, s. [English opal , o connect., and Photog.: A picture on milky gla . "The service that I truly did his life, Hath left me open to all injuries." IMG:content-0298.png:[blocks in formation] Shot upward still direct, whence no way round Shadow from body opaque can fall." Milton: P. L. , iii. 619. however, an opaque body be cut in sufficiently thin slices it will become translucent. 2. Bot .: Dull, the reverse of shining, not the reverse of transparent. Young: Night Thoughts , i. 43. ō-pāque-lỹ (que as k), adv . [Eng. opaque ; -ly.] In an opaque manner; darkly, obscurely, dimly. ō-pāque'-ne (que as k), *ō-pāke-ne , s. [Eng. opaque ; -ne .] The quality or state of being opaque; opacity; imperviousne to light. "The earth's opakene , enemie to light." More: On the Soul , pt. ii., bk. i IMG:content-0299.png:[blocks in formation] *B. As adv.: Openly, without disguise or secrecy. "Do not then walk too open ." Shakesp.: Twelfth Night , iii. 3. C. As subst.: An open, clear, or unobstructed space: especially in the phrase, the open . "The Egyptians engaged the enemy in the open."-London Times. IMG:content-0300.png:[blocks in formation]