202 TERTIARY DENTALIUM. 



D. COCENTUM Hoeninghaus, 1831. Jahrb. Min. Geol., p. 155,. 

 nomen nudum. 



Tertiary, Tabbiano. 



D. CONICUM Hutton, 1873. Cat. Tertiary Moll. New Zealand, p. 

 1 ; figured in the Macleay Mem. Volume, 1893, p. 73, pi. viii, fig. 77. 



Pliocene of New Zealand. 



D. CONSTRICTUM Newton & Harris, 1894. Proc. Malac. Soc. 

 London, Vol. i, pt. 2, p. 64, fig. in text. 



Eocene : London Clay, Fareham and Portsmouth, England. 

 D. COSSMANNIANUM Pilsbry & Sharp, 1898. Proc. Acad. Nat. 

 Sci. Phila., 1897, p. 467, pi. 10, f. 11 ; pi. 11, f. 10, 11. 



Oligocene of San Domingo. 



D. COST^E Deshayes, 1898. New name for D. lacteum Costa, 

 1850, not of Deshayes. 



D. lacteum COSTA, 1850. Faun. Reg. Napoli, Tubibranchi, p. 37,. 

 pi. 3, fig. 7. 



Italian Pliocene, Amato, Gravina, etc. 



D. COSTATUM Sowerby, 1814. Mineral Conchology, Vol. i, 1814, 

 pi. 70, fig. 8. See also NYST, Ann. Mus. Roy. d'Hist. Nat. Belg., iii, 

 pt.i,p.!21,pl. 7,f. 15 (1881). 



Pliocene : Coralline and Red Crag, Sutton, etc., England ; Yellow 

 Scaldisien, Antwerp, Belgium. 



D. DANAI Meyer, 1885. Am. Jouru. Sci., Vol. xxix, p. 462 ; fig- 

 ured in Alabama Geol. Surv. Bull. No. 1 (2), 1886, pi. 3, figs. 2-2a. 



Eocene : Jackson, Mississippi* 



D. DEFRANCII Deshayes, 1864. Descr. Anim. s. Vert. Bassin 

 Paris, Vol. ii, p. 211, pi. 2, figs. 14-16. 



Eocene of the Paris Basin. 



D. DELPHINENSE Font. Cf. Sacco, Moll. Terr. Terz. Piem. e 

 Ligur., xxii, p. 95. 



D. DENSMURIS Mayer, 1858. Journ. de Conch. (2), Vol. iii, p. 79, 



pi. iv, fig. 3. 



Miocene, St.- Jean de-Marsacq, near Dax. 



D. DESHAYESI Risso, 1826. Hist. Nat. Europ. Merid., Vol. iv, p. 

 400. 



A Pliocene or Miocene species described from "la Trinite et 

 Saint-Jean." Has not been recognized by later paleontologists. 



D. DISCREPANS Risso, 1826. Hist. Nat. Europ. Merid., Vol. i,p. 

 125. Nomen nudum. 



