LIMA. 3<J 



Type. — In the collection of ]\Ir. R. M. Brjdone. 



Distribution. — Lower part of the zone of Mifnintfr (■iii--an(jaiuniii of Suaford. 



LiiiA (Mantellum) Rkicuexuacui, CIcinit::, 1839. i'luLe VI, figs. 1 !■(/, A, 1-J. 



1839. Lima Eeichenbachi, II. B. GeiiiUz. Char. d. Schiclit. ii. Petref. des sik-hs. 



Kreidegeb., pt. 1, p. 24, pi. viii, 

 fig. 4. 

 1841. — Eeichenbachii, i^. ^i. ijiimec. Die Versteiu. d. uord-deutsch. Kreide- 



geb., p. 57. 

 1843. — Eeichenbachi, H. B. Gcinih. Die Versteiu. vuu Kieslingswalda, 



p. 23, pi. V, fig. 9. 

 184(3. — — A. E. Eeuss. Die Versteiu. der boliiu. Kreideforuiat., 



pt. 2, p. 34. 

 1847. — Eeichenbachii, A. d'Orhujmj. Pal. Frau9. Terr. Crc't., vul. iii, p. 544, 



pi. ccccxviii, figs. 1 — 4. 

 1860. — Eeichenbachi, H. B. Geinitz. Das Quadersaudst. oder Kreidegeb. 



ill Deutschlaud, p. 190. 

 — — Eeichenbachii, A. d'Ofhiyny. Prodr. de Pal., vol. ii, p. 166. 



1855. — — G. Cotteau. Moll. Foss. de I'Youue, p. 101. 



1867. — — E. Giuramjer. Album Palcont. de la Sartlie, p. 19, 



pi. xxiv, fig. 5. 

 1869. — Eeichenbachii, F. J. Pictet and G. Camjnche. Foss. Terr. Crt't. Ste. 



Croix (Matur. Pal. Suisse, 

 ser. 5), p. 168. 

 1872. — — H. B. Geinitz. Das Elbthalgeb. iu SacLseu (Pal- 



seontographica, vol. xx, pt. 1)^ 

 p. 203, pi. xliii, figs. 1, 2. 

 1876. — Eeichenbachi, H. Deiclce. Tourtia v. Miillieiui a. d. Eulir, p. 27. 

 1882. — Eeichenbachii, P. de Loriol. Gault de Cosue, p. 101, pi. xiii. fig. 5. 



Description. — Shell convex, oblong, oblique, rounded ventrally; autero-dorsal 

 margin long, nearly straight and almost parallel with the opposite margin. Height 

 considerably greater than length. Anterior area large, smooth, not depressed. 

 Ears rather small, the anterior somewhat larger than the posterior. 



Shell ornamented with from seven to ten very strong ribs, which have romided 

 summits and are separated by rounded grooves of about the same width as the 

 ribs. Small and narrow radial ribs are present on both ribs and grooves. 



Measurements : 



(1) (2) (3) 



Length . 29 . 25 . 21 ram. 



Height . 35 . 3-A . 27 „ 



Thickness . 19 . U) . — „ 



(1 — 3) Oenouianiau, Wiliningtou. 



