332 FROCEEDlNGi:^ OF THE NATIONAL MUSEUM. vol.54. 



Surculites Conrad, Amer. Jouiii. Coucli., vol. 1, p. 213, 1SG5. Type, S. unnosa 

 Conrad, Amei'. Journ. Conch., vol. 1, 1865, pi. 20, fig. 9, Shark River, N. J. 

 Eocene. Doubtful shell ; aperture characters not known, sharp angle at shoul- 

 der, sutural band, sculpture feeble. 



Surculoma Casey, Trans. St. Louis Acad., vol. 14, 1904, p. 153. Tj'pe, PI. 

 tahulata Conrad (+coe?a/a Lea). Claibornian. Cossmann, Essais, p. 222, 1906, 

 makes this a section of Ainblyacrnm with wider sinus, bent canal and siphonal 

 fasciole with umbilical chink. 



Taranis Jeffreys, 1870, Ann. Mag. Nat. Hist., 4th ser., vol, 5, p.. 447. Type, T. 

 miirchi Malm. 



Teleochilus Harris, Austr. Tert. Moll., 1897, p. 64. Type, Daphnella gracil- 

 Uma Tenison Woods, 1876. Tertiary of Australia. No sulcus. Shell somewhat 

 like a thin Dibaphus. 



Terebritoma Cossmann, 1892, Annuaire Geologique. Type, Mangelia solitaria 

 Whitfield. Cretaceous of Syria. Small, short canal, spirally corded. 



Teres Bucqtjoy, Dautzenberg, and Dollfus, Moll. Roussillon, vol. 1, p. 86, 

 1882. Type, PI. anceps Eichwald. -\-Teretia Norman, new name, 1888. I+To- 

 nwpleura Casey, 1904. 



Thesbia Jeffreys, 1867, Brit. Couch., vol. 4, p. 359. Type, T. nana Jeffreys 

 ex Loven. Tritonium ? nanum Loven, Ind. Moll. Scand., p. 12. Mangelia nana 

 Forbes and Hanley, vol. 3, p. 461, pi. 112, fig. 8. Shell columbelloid, resembling 

 C. rosacea Gould, radula pleurotomoid. 



Thetidos Hedley, Fimafuti Moll. Mem. Austr. Mus., vol. 3 ,pt. 7, p. 473, 1899. 

 Type, T. morsura Hedley, Funafuti Island. 



Tomella Swainson, Man., p. 314, 1840. Type, PI. lineata Lamarcli. 



Tomopleura Casey, St. Louis Acad., 1904, p. 138. Type, PI. nivea Philippi, 

 1851. =Teres Bucquoy, Dautzenberg, and Dollfus, 1882, p. 86, PL anceps 

 Eichwald. -\-Teretia Norman, 1888, as emendation. P. nivea is unfigured, 

 from the description it should resemble alhida Perry, virgo Lamarck and similar 

 species in sculpture but with a shorter canal, smaller size and more posterior 

 notch. Cossmann, 1906, Essais, p. 220, refers this to DrilUa s. s. 



Trachelochetus Cossmann, Cat. Illustr., p. 254 (1890 fide Zool. Record). 

 Essais Pal., vol. 2. 1896. Type, PI. desmia Edwards. Eocene. Equals Gem- 

 mula Weinkauff, 1875. 



Tripia Gregorio, Mon. Claib., p. 37, 1890. Type, PI. anteatripla Gregorio, 

 Mon. Claib., 1890, p. 38. Type, a small Surcula, feebly sculptured. In 1896, 

 Cossmann refers it to Crafisifipira Swainson as synonym. Cossmann restores it 

 to good standing, Essais, vol. 5, p. 188, 1903. 



Tritonimangilia K. Martin, 1914, Leiden Samml. Geol. Reichmus., vol. 2, 

 p. 126. Type, , Upper Oligoceue, Java. (Not seen.) 



TroDisurcula Casey, Trans. St. Louis Acad., vol. 14, 1904, p. 153. 1st sp. 

 DrilUa caseyi Aldrich. (Red Bluff.) +Tropidosurcula Cossmann, em. Essais, 

 1906, p. 222. Cossmanu expresses no opinion for want of data. 



Trypanotoma Cossmann (1893?) Essais, p. 109, 1896. Type, PI. terehriformis 

 O. Meyer, Eocene. Differs from OUgotoma (equals Asthenotoma) only by faint 

 axial sculpture. 



Turricula Schumacher, Essai, p. 217, 1817. Type, T. flammea Schumacher. + 

 tornatiis Dillwyn, 1817, not of Bolten, 1798. (Not Claratula flammea Hinds, 

 1844.) +Surc'iiia H. & A. Adams, Gen., 1853, vol. 1, p. 88. Type, Mureoff 

 javanus Linnaeus. +Snrgula Weinkauff, Conch. Cab., p, 7, 1875. 



Turris Bolten, 1798, Mus. Bolt., p. 123. Type, T, babylonius Linnaeus. Not 

 Turris Montfort, Conch., 1810. -\-Pleurotoma Lamarck, 1799, Prodr., p. 73. 

 same type. -j-Lophiotoma Casey, 1904, p. 130, no type selected ; 1st sp. PI. 

 tigrina Lamarck. -\-Tomopleura Casey, Trans. St. Louis Acad., 1904, p. 138, 

 P. nivea Philippi. 



