TUBERCULATED. Having a number of small lumps or pimples, as Turrilites, fig. 483. TUBICINELLA. Lam. (_Tubicen_, a trumpeter.) _Order_, Sessile Cirripedes, Lam.--_Descr._ A cylindrical tube, composed of six elongated valves jointed together side by side, striated longitudinally, surrounded by concentric rings; aperture circular, enclosed by an operculum of four valves, placed perpendicularly in an epiphragm.--_Obs._ The Tubicinellæ are found with nearly the whole shell buried in the thick skin of the whale. T. Balænarum. TUBICOLARIA. Lam. (_Tuba_, a tube; _cola_, an inhabitant.) A family of the order Conchifera Dimyaria, Lam. consisting of bivalves soldered as it were within, or connected with, a testaceous tube. The genera contained in this family may be thus distinguished. 1. ASPERGILLUM. Valves fixed, tube perforated and fringed. Fig. 44. 2. TEREDINA. Valves fixed, prominent, tube closed at one end. Fossil. Fig. 46, 47. 3. CLAVAGELLA. One valve fixed, the other free. Fig. 45. 4. TEREDO. Both valves free, tube open at both ends. Fig. 48, 49. 5. FISTULANA. Valves free, tube closed at one end, straight, long. Fig. 53, 54. 6. GASTROCHÆNA. Valves free, tube closed at one end, short, bulbous. Fig. 52. TUBIVALVES. Bl. Shells composed of two valves connected in a tube, corresponding with the family Tubicolæ of Lamarck. TULIPARIA. Sw. A sub-genus of "Coronaxis," Sw. Lardn. Cyclop. Malac. p. 311. TURBINACEA. Bl. The sixth family of Polythalamacea, Bl. containing the genera Cibicides and Rosallites, microscopic Foraminifera. TURBINACEA. Lam. A family of the first section of the order Trachelipoda, Lam. containing the following genera. 1. SOLARIUM. With umbilicus reaching to the apex; including _Bifrontia_ and _Orbis_. Fig. 353 to 356. 2. ROTELLA. A callosity on the under side. Fig. 357. 3. PHASIANELLA. Oval; operculum shelly. Fig. 367. 4. PLANAXIS. Columellar lip flat; aperture notched. Fig. 365. 5. TURBO. Top-shaped; mouth generally round; operculum shelly. Fig. 368. 6. TROCHUS. Top-shaped; mouth generally angulated; operculum horny, consisting of many whorls; including _Elenchus_. Fig. 358, 359, 361. 7. MARGARITA. Operculum horny, consisting of few whorls; pearly. Fig. 362. 8. LITTORINA. Similar, not pearly; including _Assiminnea_. Fig. 363, 363*. 9. PHORUS. Attaching dead shells, stones, &c. Fig. 360. 10. MONODONTA or ODONTIS. A notch and prominent point at the lower part of the aperture. Fig. 366. 11. LACUNA. With an umbilicus. Fig. 364. 12. TURRITELLA. Elongated, screw-shaped. Fig. 369 to 371.