DENTALIUM, MESOZOIC. 223 



D. GLADIOLUS Eichwald, 1846. Geogn. de Russie, p. 447 ; Leth- 

 sea Rossica, 1868, Vol. ii, p. 799. 



D. cylindricum G. FISCHER, 1843, (riot of Sowerby, 1812). Bull. 

 Soc. Imp. Nat. Moscou, Vol. 16, pt. 1, p. 139. 



D. sabanceps TRAUTSCHOLD, 1860. Bull. Soc. Imp. Nat. Moscou, 

 Vol. 33, pt. 2, p. 350-352, pi. viii, figs. 16-17. 



Jurassie, Oxfordian stage. Goliowo and other localities near Mos- 

 cow, etc., Russia. 



D. GRACILE (Hall & Meek,) 1854. 



D. gracilis HALL & MEEK, Mem. Anier. Acad. Arts & Sci., 

 Vol. v, (new series), p. 393, pi. 3, fig. 11 a-c. 



Cretaceous, Montana and Wyoming. 



D. JEFFREYSI Gardner, 1878. Quart. Jour. Geol. Soc. London, 

 Vol. 34, p. 61, pi. iii, figs. 26-33. 



Cretaceous, Gault at Folkestone, England. 

 D. LJEVE (Schlotheim), 1820. 

 Dentalites Icevis SCHLOTHEIM, Die Petrifactenkunde, 1820, p. 93. 



Trias, Germany, Denmark. 



D. LATICOSTATUM Reuss, 1844. Geognos. Skizz. Boehm., Vol. ii, 

 p. 201. We have not seen this work. Reuss, Verstein. Boehm. 

 Kreideformation, 1845-6, Abth. i,p. 41, pi. xi, fig. 3. 



Cretaceous, Bohemia. 



D. LINEATUM Gueranger, 1853. Essai d'un Repert. Paleont. de 

 la Sarthe, p. 33. Quoted by Pictet & Campeche, Pal. Suisse (3), 

 2d pt., p. 726. We have not seen the work. 



Cenomanian, Mans, France. 



D. MAJOR Gardner, 1877. Geol. Mag. (Dec. ii), Vol. iv, p. 556, 

 pi. xvi, fig. 2. . 



D. majas GARDNER, 1878. Quart. Jour. Geol. Soc. London, 

 Vol. 34, p. 56, 61. 



Cretaceous, Folkestone ; Grey Chalk, Dover. 



D. MEDIUM Sowerby, 1814. Mineral Conchology, Vol. i, p. 181, 

 pi. 79, fig. 5. GARDNER, Q. Jour. Geol. Soc. Lond., xxxiv, 1878, 

 p. 59, pi. 3, f. 13, 14. 



Cretaceous, Blackdown, England. 

 D. MEYERI (Gardner), 1878. 



Entalis meyeri GARDNER, Quart. Jour. Geol. Soc. London, Vol. 

 34, p. 62, pi. 3, fig. 40. 



Cretaceous, Great Britain. 



