LIMA. 55 



1876. LIM^EA GRANULATA, D. Brauns. Zeitschr. f. d. gesammt. Naturwiss., 



vol. xlvi, p. 386. 



? LIMA GRANULATA, H. Deiclte. Die Tourtia von Miilheim a. d. Ruhr, p. 27. 

 1881. LIMEA GRANULATA, K. A. Zittd. Handb. d. Palaeont., vol. ii, p. 27. 



1888. LIMA GRANULATA, A. Peron. L'Hist. Terr, de Craie, p. 147. 



1889. LIMEA GRANULATA, 0. Griepenkerl. Senon. von Konigslutter (Palaeont. 



Abhandl., vol. iv), p. 41. 



LIMA GRANULOSA, E. Holzapfel. Die Mollusk. Aachen. Kreide (Palaeon- 



tographica, vol. xxxv), p. 239, pi. xxvii, 

 fig. 6. 



GRANULATA, A. Fritsch. Stud, im Gebiete der bohm Kreideformat. : 



IV, Teplitz. Schicht., p. 83, fig. 76. 



1893. Fritsch. Ibid., V, Priesener Schicht., p. 100. 



1894. B. Lundgren. Mollusk-faunan i Mammill. och Mucron. 



zonerna(K. SvenskaVet.-Akad. Handl., 

 N. F., vol. xxvi, No. 6), p. 42. 



1897. A. Hennig. Eevis. Lamell. iNilsson's'Petrific. Suecana' 



(K. Fys. Sallsk. i Lund. Handl., N. F., 

 vol. viii), p. 26, pi. ii, figs. 6 8. 



1898. G. Miiller. Mollusk. d. Untersen. v. Braunschweig u. 



Ilsede (Abhandl. d. k. preussisch. geol. 

 Landesanst., N. F., Heft 25), p. 29, pi. iv, 

 fig. 6. 



1901. A. Wollemann. Jahrb. d. k. preussisch. geol. Landesanst. 



fiir 1900, vol. xxi, p. 16. 



1902. Wollemann. Liineburg. Kreide (Abhandl. d. k. preussisch. 



geol. Landesanst., N. F., Heft 37), p. 57. 



J. P. J. Ravn. Mollusk i Danmai'ks Kridtaflej. I. (K. 



Danske Vid. Selsk. Skrift., 6 Raekke, 



nat. og. math. Afd., vol. xi), p. 101. 



Non 1837. F. Dujardin. Mem. Soc. geol. de France, vol. ii, p. 226, 



pi. xvi, fig. 4 (=: L. Meslei, Peron, 1888). 



Description. Shell very convex, oval, slightly oblique, with rounded outline ; 

 height a little greater than length. Apical angle very large. Umbones small, 

 incurved, close together. Ears of moderate size, nearly equal, rather low arid 

 long, with a few spiny ribs. 



Ornamentation consists of numerous (usually from 22 to 24) strong ribs with 

 sharp summits, separated by narrow furrows. Each rib bears three rows of scale- 

 like spines, one row being at the summit and one on each side. The spines are 

 placed near together, at regular intervals, and curve upwards from the surface of 

 the shell, the terminal parts sometimes becoming quite erect. The middle row is 

 rather larger than the rows on the sides. In some cases the spines are represented 

 by granules. On the anterior and posterior parts of the shell the ribs may be 



