254 ADDITIONS-FOSSIL SPECIES. 



small, round, simple and thin. Length 8, diam. at mouth 1, at apex 

 0-5 mill. (M. & S.). 



Madras (Henderson). 



Cadulus anguidens M. & S., Journ. of Conch., ix, p. 32, pi. 1, f. 

 6 (January 1, 1898). 



" A graceful, attenuate, slightl}" arcuate Cadulus, gradually in- 

 creasing in diameter till the oblique aperture is reached. The shell 

 is subpellucid, white, quite smooth ; posterior or apical orifice 

 minute, simple, round, thin, the mouth being roundly-ovate, with 

 very oblique margin. Two specimens, differing from any in the 

 national collection" (M. & S.). 



{Fossil species of Dentalium). 



D. ANGULARE Kaunhowcn, Die Gastropoden der Maestrichter 

 Kreide, in Palseontologische Abhandlungen (n. F.) iv. Heft 1, p. 

 13, pi. l,f. 1,1a (1897). 



Cretaceous, Maestricht. 



D. CATULLOi Vinassa, 1896. Boll. Soc. Geol. Ital., xv, p. 



Lower Miocene, Italy. 



D. cosTARiCENSE Pilsbry, 1898. Proc. Acad. Nat. Sci. Phila. 

 D. dentale Gabb, Journ. A. N. S. Phila. n. ser., viii, p. 369 (in 

 part). 



Pliocen e : Costa Rica. 



D. HEXAPLEURON Kaunhowen, Die Gastr. der Maestr. Kreide, 

 Pal^ont. Abhand. (n. F.) iv, Heft 1, p. 13, pi. 1, f. 2, 2a (1897). 



Cretaceous, Maestricht. 



D. MACiLENTUM Pilsbry, 1898. Proc. Acad. Nat. Sci. Phila. 



Oligocene : Bowden, Jamaica. 



D. scHUMOi Pilsbry, 1898. Proc. Acad. Nat. Sci. Phila. 



Oligocene : Boivdeii, Jamaica. 

 D. GEiNiTzii (J. Bohm) 1885. 



Fustiaria gei7iitzii J . Bohm, Der Griinsand von Aachen und seine 

 MoUuskenfauna, p. 34, pi. 1, f. 7 (1885). 

 D. glabrum Mull., Monographic, ii, p. 5. 



Entalis geinitzii Bohm, Holzapfel, Moll. Aachener Kreide, 

 Palffiontographica, xxxiv, p. 177, pi. 20, f. 11 (1887). 



Cretaceous, Vaals and Aix-la-Chapelle. 



