DENTALIUM, MESOZOIC. 223 



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

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



D. cylindrimm G, Fischer, 1843, (uot of Sowerby, 1812). Bull. 

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



D. subanceps Trautschold, 1860. Bull. Soc. Imp. Nat. Moscou, 

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



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

 cow, etc., Russia. 



D. GRACiLE (Hall & Meek,) 1854. 



D. gracilis Hall & Meek, Mem. Amer. 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. ill, figs. 26-33. 



Cretaceous, Gault at Folkstone, England. 

 D. L.EVE (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. majus Gardner, 1878. Quart. Jour. Geol. Soc. London, 

 Vol. 34, p. 56, 61. 



Cretaceous, Folkstone ; 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. 



