OSTREA. 381 



? 1850. Ostrea semiplana, A. Alth. Geogn.-paliiont. Beschreib. v. Lemberg 



(Haidinger's Naturwiss. Abhandl., vol. 

 i i i , pt. 2), p. 25 i, pi. xiii, fig. 2. 

 1851. Bronni, J. Miiller. Petref. der Aachen. Kreidef., pt. 2, p. 69, pi. vi, 



tig. 20. 

 1854. semiplana, /. Morris. Cat. Brit. Foss., ed. 2, p. 174. 



— — in^equicostata, Morris. Ibid., p. 173. 



1859. — semiplana, J. Miiller. Petref. der Aachen. Kreidef., Supplement, 



p. 7. 

 1863. — B. Drescher. Zeitschr. der deutsch. geol. Gresellsch., 



vol. xv, p. 356. 



— — sulcata, A. Kunth. Ibid., vol. xv, p. 732. 



1858. — flabelliformis, E. Eichwald. Lethsea Rossiea, vol. ii, p. 368. 



1869. — semiplana, H. Coquand. Mon. Ostrea, Teir. Cret., p. 74, pi. xxviii, 



figs. 1 — 15; pi. xxxv, figs. 1, 2; pi. 

 xxxviii, figs. 10 — 12. 

 cuculus, Coquand. Ibid., p. 52, pi. xvii, figs. 19 — 21. 

 — licheniformis, Coquand. Ibid., p. 91, pi. xxxvii, figs. 17 — 19. 



— — Merceyi, Coquand. Ibid., p. 93, pi. xxviii, tig. 22; pi. xxix, tigs. 



8—14. 



— — Peroni, Coquand. Ibid., p. 95, pi. xxxv, figs. 3 — 5 ; pi. xxxviii, figs. 



5—9. 



— — acanthonota, Coquand. Ibid., p. 103, pi. xxxviii, figs. 1 — 4. 



1870. — sulcata, F. Romer. G-eol. v. Oberschles., p. 343, pi. xxix, fig. 3. 



— — cuculus, C. Schliiter. Neues Jahrb. fur Min., etc., p. 951. 



1871. — semiplana, F. J. Pictet and O. Campiche. Foss. Terr. Cret. Ste. 



Croix (Mater. Pal. 



Suisse, ser. 5), p. 321. 



1872 — — H. B. Geinitz. Das Elbthalgeb. in Sachsen (Palseouto- 



graphica, vol. xx, pt. 2), p. 29, pi. viii, 

 figs. 8-11, 13. 

 1873. — flabelliformis, J. I. Lahusen. Foss. White Chalk of Simbirsk 



(Imper. Russ. Min. Corps 

 Instit.), pt, 2, p. 250, pi. v, 

 fig. 3. 



1876. — (Alectrtonia) sulcata, D. Brauns. Zeitschr. f. d. gesammt. 



Naturwiss., vol. xlvi, p. 

 393. 



1877. — semiplana, A. Fritsch. S'-ud. im Gebiete der bohm. Kreide- 



format. ii, "Weissenberg. u. Malnitz. 

 Schicht., p. 141, fig. 138. 



1878. — sulcata, C. Barrois. Ann. Soc. geol. Nord, vol. v, p. 408. 



1882. Alectryonia sulcata, H. Schroder. Zeitschr. d. deutsch. geol. Gesellsch., 



vol. xxxiv, p. 261. 

 ? 1883. Ostrea semiplana, Fritsch. Op. cit,, iii, Iserschicht,, p. 121, fig. 97. 



— — frons, Fritsch. Ibid., p. 121, fig. 96. 



1885. — armata, J. Bohm. Verhandl. nat, Vereines preuss. Bheinl., vol. 



xlii, p. 76. 



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