DENTALIUM, MESOZOIC. 227 



D. KHODANI Pictet & Roux, 1849. Me*m. Soc. Phys., Nat. Hist,, 

 Geneva, Vol. xii, p. 150, pi. 27, fig. 13. 



Cretaceous, Gualt, Mouths of the Rhone; Saxonet, France. 



D. RHOTOMAGENSE D'Orbigny, 1850. Prodr. Paleont. Strat., 

 Vol. ii, p. 156, no. 226. 



D. rothomagense D'Orbigny, 1852. Misspelling for D. rhotoma- 

 gense D'Orbigny, 1850. Prodr. Paleont. Strat., Vol. iii, index, 

 p. 59. 



Cretaceous, Rouen, France. 



D. RIPLEYANUM Gabb, 1860. Journal Acad. Nat. Sci. Phila. 

 (2 Ser.). Vol. iv, p. 393, pi. 69, fig. 48. See also, WHITFIELD, 

 Paleont. N. J. Gastr. and Ceph., p. 167, pi. 69, f. 48. 



Cretaceous, Ripley Group, Eufaula, Alabama. 



D. RUGOSUM Mueller 1849 (not of Eichwald, 1846 nor of Dunker, 

 1848). Ueber die Gastrop. der Aachener Kreide, in Programm 

 Koen. Gymnas. Aachen, p. 6, pi. iii, fig. 2 ; also reprinted in Mon- 

 ogr. Petrifac. Aachener Kreideform. which was published by the 

 Ver. Preuss. Rhein. & Westphal. Bonn, p. 6, pi. iii, fig. 2. 



Cretaceous, Lusberg. 



This may prove to belong to the Serpulidce, or possibly Teredidce. 

 The name is preoccupied. 



D. RUGOSUM Spillman, 1860 (not of Dunker, 1848). Geol. Report 

 of Mississippi, p. 389. Nomen nudum. 



Cretaceous , Green Sand, Tombigbee. 



D. SACHERI Alth, 1850. Geogn. Pala3ont. Beschreib. von Lem- 

 berg, in Haidinger's Naturw. Abhandl. (Wien) Vol. iii, pi. 226, pi. 

 12, fig. 2. Bohm, Die Kreidebildungen des Fiirbergs u. Sulzbergs- 

 bei Siegsdorf, Palseontographica, xxxviii, p. 70. 



Cretaceous, Lemberg, Bavaria. 



D. SATURNI Goldfuss, 1844. Petrifac. German., Vol. iii, p. 1, pi. 

 166, fig. 1. 



Mont Eifel. 



D. SIMILE Wissman, 1 841 . Beitrage Geognos. u. Petrefactenkunde 

 s. 6. Tyrols. (Muenster), p. 91, pi. ix, fig. 8. 



Lias. 



D. SOLITICUM Piette, 1855. Bull. Soc. Geol. France (2), Vol. 

 xii, p. 1122. 



Jurassic, Rumigny, France. 



