Maryland Geological Survey 573 



Gryphwa expansa Sowerby, 1831, Trans. Geol. Soc, London, 2d ser., vol. iii, 



pp. 349, 418, pi. xxxviii, fig. 5. 

 Ostrea vesisularis Deshayes, 1832, Ency. Method., vol. ii, p. 291. 

 Ostrea vesicularis Goldfuss, 1833, Petrif. germ., vol. ii, p. 23, pi. lxxxi, fig. 2. 



(Synonymy excluded.) 

 Gryphwa convexa Morton, 1834, Syn. Org. Rem. Cret. Group, XJ. S., p. 53, 



pi. iv, figs. 1, 2. 

 Gryphwa mutabilis Morton, 1834, Syn. Org. Rem. Cret. Group, U. S., p. 53, 



pi. iv, fig. 3. 

 Pycnodonte radiata Fischer de Waldheim, 1835, Bull. Soc. Imp. Nat., Mos- 

 cow, vol. viii, p. 119, pi. i, fig. 20. 

 Gryphwa dilatata Phillips, 1835, Yorkshire, pi. vi, fig. 1. 

 Ostrea vesicularis Deshayes, 1S36, Ed. de Lamarck, vol. vii, p. 246. 

 Gryphwa vesicularis Bronn, 1837, Lethtea Geogn., vol. ii, p. 264, pi. xxxii, 



fig. 1. 

 Ostrea vesicularis d'Archiac, 1837, Mem. Soc. Geol. de France, vol. ii, p. 183. 

 Ostrea vesicularis Dujardin, 1837, Mem. Soc. Geol. de France, vol. ii, p. 229, 



No. 74. 

 Ostrea vesicularis Hisinger, 1837, Lethsea suecica, p. 46, pi. xii, fig. 2. 

 Gryphwa convexa Troost, 1S40, 5th Geol. Rept., Tennessee, p. 46. 

 Ostrea vesicularis Leymerie, 1S42, Mem. Soc. Geol. de France, vol. v, p. 29. 

 Ostrea vesicularis d'Orbigny, 1844, Pal. du Voyage de M. Hommaire, p. 441. 

 Ostrea vesicularis d'Orbigny, 1846, Pal. Franc, Terr. Cret., p. 742, pi. vii, 



fig. 1. 

 Ostrea vesicularis Reuss, 1846, Die Verstein der Bohm. Kreideformat., pi. 



xxix, figs. 21, 22; pi. xxx, figs. 1-8. 

 Ostrea vesicularis Geinitz, 1846, Grundr., der Verstein, pi. xx, fig. 18. 

 Ostrea vesicularis Bayle, 1847, Geol. des Ponts, pi. vi, fig. 62. 

 Ostrea vesicularis Leymerie, 1851, Mem. Soc. Geol. de France, ser. 2, vol. iv, 



p. 202, pi. x, figs. 2, 3. 

 Gryphwa vesicularis Bronn and Roemer, 1852, Lethsea Geogn., vol. ii, pt. v, 



p. 264, pi. xxxii, fig. 1. 

 Gryphwa vesicularis Conrad, 1852, Dead Sea, pi. xviii, figs. 103, 104. 

 Gryphwa vesicularis Owen, 1860, 2d Rept. Geol. Rec. Arkansas, pi. viii, fig. 6. 

 Gryphwa vesicularis Schafhautl, 1863, Sud-Bayerns Lethaea Geogn., p. 143, 



pi. xli, figs. 5, 6. 

 Gryphwa vesicularis Meek, 1864, Check List. Inv. Foss. N. A., Cret and Jur., 



p. 6. 

 Pycnodonte vesicularis Cook, 1868, Geol. of New Jersey, p. 374, text figs. 

 Gryphwa vesicularis Conrad, 1868, Ibid,., p. 724. 

 Ostrea vesicularis Coquand, 1869, Mon. du Genre Ostrea, Terrain Cret., p. 



35, pi. xiii, figs. 2-4, 10. (Non figs. 5-9.) 

 Gryphwa vesicularis Stoliczka, 1871, Mem. Geol. Survey, India, Palaeont. 



Indica, Cret. Faunas of Southern India, vol. iii, p. 465, pi. xlii, figs. 2-4; 

 pi. xliii, fig. 1; pi. xlv, figs. 7-12 ? 

 Pycnodonte vesicularis Bayle, 1878, Expl. Carte Geol. France, vol. iv, Atlas, 



pt. 1, pi. cxxxv, figs. 1-7. 



