trachytella

[Greek trachytes =roughne . See def.] Bot.: A genus of Delimee. Sepals four to five, petals four to five, stamens indefinite, carpels one or two, baccate, many-seeded. The leaves of Trachytella actœa are so rough that they are used in Canton for polishing both wood and metal. tra-chỹt-Ic, adj . [Eng. trachyt(e); -ic.] Pertaining to, consisting of, or resembling trachyte. "Here and there, a trachytic spur projected from the hills." -Chambers ' Journal , Feb. 27, 1886. trāç'-ing, pr. par., a. & 8. [TRACE (1), v.] IMG:content-1292.png:[blocks in formation] 4. A course followed; a path in general. "From the Spanish trade in the South-seas running all in one track from north to south."- Anson : Voyages, bk. i., ch. ix. 5. A course or line generally. "To quit the beaten track of life, and soar Far as she finds a yielding element." Words worth: Excursion, bk. iii. 6. The rails on which the locomotives, carriages ., of a railway run; the permanent way of a rail" way. 7. A course laid out for foot-races, bicycle-races, and the like. "The six-lap gra track on which the above sports were held."- Field, Aug. 30, 1887. *8. A tract of land. "As little do we intend to touch on those small tracks of ground, the county of Poole, and the like."- Fuller : Wor thies; General. II. Palæont .: A collective term used for a number of markings from the older rocks, probably made by Annelids. They are often grouped under the following heads: (1) Burrows of Habitation Shafts or burrows made in the sand or mud of a bygone age between tide-marks or in shallow water, and communicating with marks a water, and communicating Surthe (2) Wandering Burrows: Long, irregular, tortuous burrows beneath the surface, such as are made by the living Are nicol a piscatorum. From the Pa læozoic Rocks. (3) Tracks and trails : Markings formed by the animal dragging its soft body over the surface of wet sand or mud, between tide-marks or in shallow water. Authorities are not agreed as to the Annelidan character of all these vermiform fo ils. Mr. Hancock advocates the view that many of them were formed by Crustacea, and Principal Dawson suggests that Alge, and also land-plants, drifting with tides and currents, often make the most remarkable and fantastic trails, which might easily be mistaken for the tracks of Annelids. To make tracks : To go away in haste; to leave, to quit, to depart, to start. "On joining my friend, we at once made tracks for the camp, ready for what was to follow."- Field , Feb. 28, 1887, track-boat, s. A boat pulled by a towing-line, as on a canal. "I remember our glad embarkation toward Paisley by canal track - boat ." -Carlyle : Reminiscences, i. 131. track-harne , s. Saddlery : A very light breast-collar single har IMG:content-1293.png:[blocks in formation] Naut.: Lines in a ship pa ing through a block or thimble, and used to hoist a thing higher. tracing-paper, s . A ti ue-paper of even body treated with oil, solution of resin or varnish, to render it transparent.