214 TERTIARY DENTALIUM. 



110, pi. 10, f. 1-6, with varieties pliocenica, dertonensis and elati- 

 eosta of Sacco. D. sulcatum SCACCHI, not. Lam. See also Searles 

 V. Wood, Crag Moll. Suppl., 1872, pi. 5, f. 19. 



Var. MONTEROSATOI Pils. & Sharp, 1898. New Dame for D. 

 Philippii Monts. not Chenu. 



D. striatum PHILIPPI, 1844. Enum. Moll. Sicilise, Vol. ii, p. 

 208 ? (1844). Not of Born. 



D. philippii MONTEROSATO, 1872. Notiz. Conch, foss. Monte 

 Pellegrino e Ficarazzi, p. 27, for D. striatum Philippi, not of 

 Lamarck ; see also DE FRANCHIS, Bull. Soc. Mai. Ital., xix, p. 202, 

 pi. 2, f. 11; pi. 3, f. 2. 



D. delessertii DE STEFANI, Excurs. Scient. Calab., pp. 236, 241 

 (1883-4) ; Osservaz. Stratigr. sul Plioc. e sul Postplioc. di Sciacca, 

 pp. 14, 17, 18, 22 (1889). 



This form is distinct from D. badense Partsch (Homes Abh. K.- 

 K. Geol. Reichsaust, iii, p. 652, 1856), which Homes identifies with 

 striatum Lam, and Phil. De Franchis claims D. delessertianum to 

 be identical with philippii, but his figures do not bear out the state- 

 ment, in our opinion. We think it a recognizable variety. 



Pliocene, Southern Italy. 



See also this Vol., pp. 81, 82, D. rectum and D. delessertianum, 

 with the figures and references there given. 



D. REX Pilsbry & Sharp, 1898. New name for D. giganteum 

 Chenu, 1842, not Phillips, 1836. 



D. giganteum CHENU, 1842 (not of Phillips, 1836), 111. Conch., 

 Vol. i, p. 4, pi. 1, fig. 3. 



Locality and horizon unknown. 



D. RUBESCENS Deshayes. (See p. 105). 



D. fissura of BONELLI, BRONN, SISMONDA and some other 

 writers on Italian Miocene fossils. Pseudantalis rubescens SACCO, 

 Moll. Terr. Terz. Piem. e Ligur., xxii, p. Ill, pi. 10, f. 21-23. 



Miocene and Pliocene of Italy. Recent. 



D. RUBESCENS var. EXDISPAR (Sacco), March, 1897. L. c., p. 

 112. New name for D. dispar Mayer, not Sowerby. 



D. dispar C. Mayer in Cocconi Mem. Accad. Sci. Istit. Bologne, 

 (series 3), Vol. iii, p. 650, pi. 6, f. 20-22 (1873). 



D. cocconii Sharp & Pilsbry, 1897. This Vol., p. 87 (Oct., 

 1897V New name for D. dispar C. Mayer in Cocconi, not of Sow- 

 erby. 



Miocene, Majatico, Italy. 



