218 TERTIARY DENTALIUM. 



D. suLcosuM Sowerby, 1846. Darwin's Geol. Obs. on S.America,. 

 p. 263, pi. ii, fig. 2. 



Tertiary, Navidad Chili. 

 D. TATEi Sharp & Pilsbry, 1898. New name for D. triquetrum 

 Tate, 1887, preoccupied. 



D. (?) triquetrum Tate (not of Brocchi, 1814). Tran?. & Proc. 

 Roy. Soc. S. Australia, Vol.ix,p. 193, pl.xx.fig. 3 (1887). 



Tertiary, SotUh Australia. 

 D. TAUROCOSTATUM (Sacco), 1897. 



Antalef taurocostatum Sacco, Moll. Terr. Terz. Piemonte e Lig- 

 uria, xxii, p. 101, pi. 8, f. 50-54, with varieties costulatior, atava,. 

 odogonalis and septenicostata Sacc. 



Oligocene, Elvezian stage, Monte dei Cappuccini, N. Italy. 



D. taurostriatum (Sacco), 1897. 



Entalis taurostriata Sacc, Moll. Terr. Terz. Piera. e Ligur., xxii, 

 p. 109, pi. 9, f, 47-57, with varieties siniplicior, subjuvenis, decem- 

 costata, anonialocostata of Sacco. 



Oligocene, Baldissero, northern Italy. 



D. TENursTRiATUM Rouault, 1850. Mem. Soc. Geol. France (2), 

 Vol. iii, pt. ii, p. 473, No. 50, pl.xv, fig. 5. 



Eocene of Bos d'Arros (Basses- Pyrenees).. 



D. THALLoiDE Conrad, 1833. 



D. thalloides Conrad, 1833. Fossil Shells of Tertiary, p. 34 ; 

 2d ed., p. 39, pi. lb, fig. 10; figured in Amer. Journ. Sci. (Ser. 2), 

 Vol. i, pi. l,fig. 2. 



D. alternatum Lea, 1833. Contrib. to Geol., p. 34, pi. 1, fig. 2. 



D. asgum De Gregorio, 1890. Ann. Geol. et Palaeont., 8 Livr., 

 1890, p. 171, pi. 17, fig. 22, 23 a-b, 24. 



D. (asgum) var. tirpum De Gregorio 1890. Ann. Geol. et 

 Palaeont., 8 Livr., p. 172. 



D. himixtum De Gregorio, 1890. Ann. Geol. et Palaeont., 8 

 Livr., p. 172, pi. 17, figs. 32-34. 



Eocene, Claiborne, Alabama. 



D. TRAUTSCHOLDi V. Koeuen, 1868. Bull. Soc. Imper. Natural- 

 istes de Moscou, xli, pt. i, p. 160. New name for D. badense Trautsch., 

 not Partsch. 



D. badense Trautschold, 1859. Bull. Soc. Imper. Nat. Mos- 

 cou, xxxii, p. 313, pi. 6, f 4 a, b, c. Not of Partsch. 



Lower Oligocene, Aral Sea. 



