1884.] NATURAL SCIENCES OF PHILADELPHIA. 105 



American ones. From these examinations I have been able to 

 identify the following additional species : — - 



1. Cfirithium trilineatum Phil. 

 ?1833. Cerithium turellum Grat. 



Grateloup, Tabl. des Coq. foss. du bassiu de I'Ad. Act. Linn., v, 5. 

 p. 277. 

 1836. Cerithium trilineatum Phil. 



R. A. Philippi, Enumeratio moUuscorum Sicilise, etc., vol. i, p. 195, 

 tab. 11, tig. IB. 



1840. Cerithium tenbralia Ad. 



C. B. Adams, Desci'. of thirteen new spec, of New England shells. 

 Boston Journ. Nat. Hist., vol. iii, p. 330, tab. 3, fig. 7. 



1841. Terebra constricia H. C. Lea. 



H. C. Lea, Descr. of some new spec, of foss. shells from the Eocene of 

 Claiborne, Ala.; Am. Journ. Sc a. Arts, vol. xi, p. 100, tab. 1, fig. 

 18, read Oct. 1840, publ. 1841. 

 1843. Cerithium trilineatum Phil. 



Philippi, Beitr. z. Kenntu. d. Tertiaerverstein. d. nordwestl. Deutsch- 

 lands, p. 23, p. 56, p. 75. 

 1848 Cerithium trilineatum Phil. 



Wood, Crag Mollusca, vol. i, p. 70, tab. 8, fig. 4 a. 

 1856. Cei'ithium trilineatum Phil. 



Hcernes, fossil. Moll. d. Tertiaerbeck. v. Wien, vol. i, p. 413, tab. 43, 

 fig. 19. 

 1864. Cerithium trilineatum Phil. 



Speyer, Tertiaerfaiina v. Soelilngen, Palceontographica, vol- ix, p. 33. 



1866. Cerithium mundulum Desh. 



Deshayes, Anim. s. verteb. du bassin de Paris, vol. iii, p. 233, tab. 79, 

 fig. 31, 33. 



1867. Cerithium Sandbergeri (y Koenen non Desh. ); 



v. Koenen, Marine Mitteloligocsen v. Norddeutschland, Palseontogr., 

 xvi, p. 104. 

 1883. Cerithium Sandbergeri (Meyer non Desh.). 



O Meyer. Beitr. z. Kenntn. der Maerk. Rupelthons, Ber. d. Senckenb. 

 Naturforsch. Ges., Frankfurt a. M., 1883-1883, p. 261. 

 1883. Cerithium Meyeri (Boettg. ; [no description given]. 



Lepsius, Mainzer Becken, p. 50. 

 1883. Cerithiopsis Meyeri Boettg. ; n. »p, 



Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg, 

 1883, p. 347. 

 Terebra trilirata Conrad. When and where ? 



Having seen Cerithium trilineatum Phil, occurring in the 

 European and American older and newer Tertiar^y, as well as in 

 the Mediterranean, I sought for it among the recent shells of the 

 American Eastern coast, and have received, through the kindness 



