LIMA. 5 



Bemnrls. — I have seen one example only; it consists of both valves, but with 

 the posterior margin imperfect. 



Type. — In the Museum of the Vcntnor Institute. 



Distribution. — Upper Grreensand, chert l)otls (zone of Pecten asper) of tlic Isle 

 of Wight. 



LrMA SHBOVAUS, S(mprt)ij, 183G. Plate II, figs. 3, 4a, /*, ba, h, Ga, h, 7a, h. 



1836. Lima ? suBovALis, /. de G. Sowerby. Trans. Greol. Soc, ser. 2, vol. iv, 



pp. 359, 342, pi. xvii, fig. 21. 

 1830. — ASPEEA, H. B. Ge'iiiitz. Oliar. cl. Scliicht. u. Petref. des silclis. 



Kreidegeb., pt. 1, p. 23 (pariim). 

 ? 1847. — SUBOVALIS, A. d'Archiac. Mt'm. Soc. geol. de France, ser. 2, vol. ii, 



p. 309. 



— — OKNATA, A. d'Orhujmj. Pal. Fran9. Terr. Crct., vol. iii, p. 551, 



pi. ccccxxi, figs. 6 — 10. 

 1850. — — — Prodr. de Pal., vol. ii, p. 167. 



— — — H. B. Geinitz. Das Quadersandst. oder Kreidegeb. in 



Deutschland, p. 192. 

 1867. — — E. Gueranger. Album Pak'ont. de la Sarthe, p. 19, 



pi. xxiv, figs. 7, 12. 



1869. — SUBOVALIS, F. J. Pidet and G. Campiche. Foss. Terr. Crct. Ste. 



Croix (Mater. Pal. Suisse, ser. 5), 

 p. 168. 



1870. — OENATA, Pictet and Cavqnche. Ibid., pp. 169, 173. 



1871. Eadula (Acesta) ornata, F. Stoliczka. Palseont. Indica, Cret. Fauna S. 



India, vol. iii, p. 414. 



1872. Lima oenata, H. B. Geinitz. Das Elbtlialgcb. in Sachsen (Palasoutogra- 



pliica, vol. XX, pt. 1), p. 205, pi. xlii, 

 figs. 16, 17. 

 ? 1877. — —A. Peron. Bull. Soc. gi'ol. do France, ser. 3, vol. v, p. 502. 



1877. — Eauliniana, A. J. Jukes-Browne. Quart. Journ. Geol. Soc., vol. 



xxxiii, p. 502, pi. xxi, fig. 2. 

 1893. — ornata. R. Michael. Zeitschr. d. doutsch. geol. Gescllscli., vol. xlv, 



p. 234. 



Non 1852. — — A. Buvignicr. Statist, gi'ol., etc., de la Meuse, Atla.'s. p. 23. 



pi. xviii, figs. 17 — 19. 



Bescription. — Shell compressed, ovate or subtrigonal, oblique, consideral)ly 

 higher than long, with the ventral and posterior margins rounded. Apical angle 

 about 74°. Umlwnes small, close together. Anterior area rather small, dejn-esscd, 

 limited hy a ridge, ornamented with ribs separated by broader grooves. 



Ornamentation consists of numerous (C-5 to 70) fairly strong, rounded libs of 



