TERTIARY DENTALIUM. 211 



D. NOVEMCOSTATUM Lamarck (p. 51). 



D. mutabile Doderlein 1856, in Hoernes, Moll. Tertiar. Beckens 

 von Wien, p. 654, pi. 50, fig. 32. 



Miocene of the Vienna Basin and Italy. 



Varieties pseudaprina Sacc., mutabilis Doderlein, incequicostata 

 Dautzenb., decemcostulata Sacc., undecimcostata Sacc., duodecimcos- 

 tata Sacc. and tredeeimcostata Sacc. are described and figured by 

 Sacco, Moll. Terr. Terz. Piemonte e Liguria, xxii, pp. 103, 104, from 

 the Italian Miocene and Pliocene. 



D. OBSOLETUM Doderlein 1862 (not of Schlotheim, 1832). Cenni 

 geologici intorno la giacitura dei terreni miocenici superiore dell' 

 Italia centrale, p. 15, in Atti de x Congr. d. Scienz. ital. ten. in 

 Sienna, 1862 (not seen by us). 



Upper Miocene, Piedmont. 



Said to = D. dentalis var. sublcevis Cocconi, 1873. 



D. OCTOCOSTELLATUM Pilsbry & Sharp, 1898. New name for 

 D. octocostatum Iheriiig, 1398, not of Frass, 1867. 



D. octocostatam Ihering, 1898. Re vista do Museu Paulista, ii, 

 p. 266, pi. 4, f. 16. 



Santa Cruz Formation, Patagonia. 



D. OTTOI Sharp & Pilsbry, 1898. New name for D. compressum 

 Meyer, 1883, not of Orbigny, 1850. 



D. compressum MEYER, 1883. Bericht. Senckenb. Naturforsch. 

 Gesellsch., 1883, p. 258, figs. 4 a-c. 



Oligocene, Germany. 



D. PAREORENSIS Sharp & Pilsbry. New name for D. laevis~H.ut- 

 ton, 1873. 



D. laevis Hutton, 1873 (not of Schlotheim, 1820), Cat. Tertiary 

 Moll. New Zealand, p. 2. 



Tertiary (Pareora'), New Zealand. 



D. PARISIENSE D'Orbigny, 1850. . Prodr. Paleont. Strat., Vol. ii, 

 p. 372, No. 701 ; figured in Deshayes Descr. Anim. s. Vert. Bassin 

 Paris, Vol. ii, pi. 2, figs. 17-19. 



D. semistriatum DESHAYES, 1825 (not of Turton, 1819). Mem. 

 Soc. Hist. Nat. Paris, Vol. ii, p. 367, pi. xvii, fig. 15-16. 



Fustiaria parisiensis R. B. NEWTON, Brit. Oligocene & Eocene 

 Moll., p. 286, 1891 ; Entaliopsis parisiensis NEWTON & HARRIS, 

 Proc. Malac. Soc. Lond., i, p. 68. 



Eocene of Paris Basin and Bracklesham Beds t England. 



