TRIGONIA. 85 



Redcliff, near Sandown. Ferruginous Sands of Shanklin. Hytlie Beds of Hythe, 

 etc. Atlierfield Beds of Sevenoaks. Lower Greensand of Seend (fide Lycett). 

 Sandgate Beds of Parliam Park. 



Teigonia ornata, d'Orhignij, 1844. Plate XIX, fig. 13. 



Additional Synonymy. 



? 1855. Trigonia ornata, G. CoHeau. Moll. Fos.s. de I'Youue, p. IQ. 



? 1858. — — J. Vilanova-y-Piera. Mem. Geogr.-agric. de Castellon, 



pi. ii, fig. 14. 

 ? 1865. — — H. Coquand. Mou. Aptieu de I'Espagne, p. 137. 



1866. — — F. J. Pictet and G. Campiche. Foss. Terr. Crc't. Ste. 



Croix (Mater. Pal. Suisse, ser. 4), pp. 373, 385. 



1867. — — P. de Loriol. In A. Favre, Rech. geol. dans Savoie, 



etc., vol. i, p. 379, pi. c, fig. 8. 

 P1871. — — W. A. Ooster and C. V. Fischer-Ooster. Protoz. Helvet., 



vol. ii, p. 101, pi. XV, fig. 18. 

 1875. — — Lycetf, p. 139, pi. xxiv, figs. 6, 7. 



1884. — sp. indet. (2nd), 0. Weerfh. Die Fauna Neocom. im Teuto- 



burg. Walde (Palaeont. Abhandl., vol. ii), 

 pp. 45, 46. 

 1896. — ORNATA, A. WoUemann. Zeitschr. d. deutsch. geol. Gesellscli., 



vol. xlviii, p. 847. 

 ? 1899. — — G. Maas. Ibid., vol. Ii, p. 248. 



1900. — — A. WoUemann. Die Biv. u. Gastrop. d. deutsch. u. 



hoUiind. Neoc. (Abhandl. d. k. preussiseh. geol. 

 Land., N. F., pt. 31), p. 88. 



lieriiarls. — The English specimens agree better with the example figured l)y 

 Pictet and Renevier than with the type, in which the costae are less numerous. A 

 specimen from Lympne (Plate XIX, fig. 13) possesses fewer costse than the exam- 

 ples found at Atlierfield, and in this character, as also in general shape, it 

 approaches more nearly the foreign examples. 



The specimen from Shorncliffe, figured by Sowerby^ as T. spinosa, var., has 

 been regarded by several authors as T. ArcMaciana, d'Orbigny ; but I think it is 

 more likely to l)e an example of T. ornata. I have not been able to trace the 

 specimen. 



Types. — The specimens figured by Lycett are in the Museum of Practical 

 Geology. 



Distribution, — PernaAie^ of Atlierfield. Ferruginous Sands of Shanklin. 

 Hythe Beds of Hythe, Lympne, and near Maidstone. 



1 'Trans. Geol. Soc.,' ser. 2, vol. iv (1836), pp. 131, 338, pi. xiii, fig. 3. 



