orbiculata Cerberus (Schn.), G. Cuvier, R. Anim., ed. 2, II. 1829, 81.-Boa. 

 orbiculata Ceriopora, G. A. Goldfuss, Petref. German. I (I) 1826, 40.-Cellepora, 1826. 

 orbiculata Ceriopora, J. \V. Vancleve, P. Amer. Assoc. 1848 (1849), 22 [no n.]. 

 orbiculata Chrysomela, T. .:\Iarsham, Coleopt. Brit., Sept. 1802, 200. [? Venus. 

 orbiculata Circe (:\Iont.), \V. Clark, Ann. :\Iag. N. H. (2) IV. Sept. 18.1-9, 18.1-.-Lucina, 

 orbiculata Cyclemys, T. Bell, Proc. Zool. Soc. London, II (15) June 1834, 17. 

 orbicolatus (sic) Cyphon, J. C. Fabricius, Svst. Eleuth. I. 1801, 503. 

 orbiculata Cypricardia (Orb.), d' Archiac, :\lém. Soc. géol. France, II (2) 1837, 189.- 

 Coralliophaga, ? .:\IS. 

 Cyprina (Mont.), 'V. Turton, Conch. Insul. Brit. 1822, 138.-Venus. 

 Cytherea (:\lont.), J. Fleming, Hist. Brit. Anim. 1828, 446.-Venus. 

 Dentellaria (Fér.), H. Beck, Index Moll. 
lus. Ch. Fred. (I) 1837, 3s.-Helix. 

 Diastopora (Goldf.), A. d'Orbigny, Prodr. Paléont. II p
ov.] 1850, 25.- 

 Cellepora. 

 orbiculatum Dolium (Brocchi), H. G. Bronn, Ergeb. nat. Reisen, II. 1831, 529.-Buc- 

 cinum. 

 Elodes (Fab.), P. A. Latreille, Sonnini's Buffon, Ins. VIII (1804), 391.- 

 Eryon, G. V. Muenster, Beitr. zur Petret. (2) 1839, 7. [Cyphon. 

 Eurytoma, T. Say, Boston Journ. N. H. I (3) 1836, 272. 

 Exoleta, T. Brown, Ill. Conch. G. B. I. 1827, pI. xx, f. 2. 

 Haltica (:\Iarsh.), J. F. Stephens, Nom. Brit. Ins., Aug. 1829, 18.-Chrvsomela. 

 He1cion (Hall), A. d'Orbigny, Prodr. Paléont. I. 1849 [Jan. 1 8 50], 9.- 

 Carinaropsis. 

 Helicina (Say), J. E. Gray, Zool. Jouro. I (I) Mar. 1824, 70.-0Iygyra. 

 Helix (ex Fér.), \V. ,\\Tood, Supp!. Index Test. 1828, 20 [no et t.]. 

 Helix (Helicogena), A. E. Férussac, H. N. g. et p. 
Ioll., Tabl. Limaçons, 

 1821, 36 [no et t.]. 

 Hemiteles, J. L. C. Gravenhorst, Ichneum. Europ. II. 1829, 866. 

 Ixodes, T. Say, J. Acad. 
at. Sci. Phil ad. II. :\lar. 1821, 76. 

 Lenticulites, Lamarck, Ann. Mus. H. X. (Paris) V (27) Nov. 1804, 188. 

 Limnaeus, Ziegler in Rossmaessler, leones Iconogr. 1\1011. I (I) 18 35, 97. 

 Lithodomus (Arch.), A. d'Orbigny, Pal. Franç., Crét. III (Lam.) 18 45, 293.- 

 :\Iitylus, A. d'Orbigny, Prodr. Paléont. II [Nov.] 1850, 166. [Cypricardia. 

 Xitidula, L. Gyllenhal, Ins. Suecica, 1. 1808, 242. 

 Olygyra, T. Say, J. Acad. Nat. Sci. Philad. I (10) June 1818, 283. 

 Orthis, T. Brown, Ill. Foss. Conch. G. B. I. (24,25) 1845, II8.-0. orbicularis, 

 Ostracites, E. F. V. Schlotheim, Die Petret. 1820, 236. [Sow. 

 Palaeobalistum, de Blainville, 
. Diet. H. N., ed. 2, XXVII. 1818, 339. 

 Pecten, F. 
I'Coy in Griffith, Syn. Carbo Lst. foss. Ireland, 18 44, 97. 

 Pentamerus, C. H. Pander, Beitr. Geogn. Russ. Reichs, 1 8 3 0 , 93. 

 Pholadomya, F. A. Roemer, Verst. Norddeutsch. Oolith. (2) 18 36, 132. 

 Planularia, F. A. Roemer, 
. Jahrb. f. :\Iin. 1842,273. 

 Pteromalus, F. \Yalker, Entom. :\Iag. III (S) Ap. 18 3 6 , 49 0 . 

 Pygurus (Leske), Agassiz, Ann. Sci. Nat. [3] (Zool.) YII. :\lar. 18.
7, 162.- 

 Echinanthites, 1778. [179 2 . 

 Rugilus (Fab.), J. Curtis, Brit. Entom. IV (42) June 1827, no. I68.-Paederus, 

 Scirtes (Fab.), F. E. Guérin-:\I., Spec. et Icon. Anim. artic. (I) 1843, 6.- 

 Scyrtes (Fab.), Dejean, Catal. Coléopt. 1821, 35.-Cyphon. [Cyphon. 

 Solen, \V. 'Vood, Suppl. Index Test. 1828, 3 [11. et t.]. 

 Sphaeroderma (:\Iarsh.), J. F. Stephens, Ill. Brit. Ent. prand. IV.) Dec. 18 31, 

 3 2 9.- Chr ysomela. 

 Stomatella, A. Adams, Proc. Zoo1. Soc. London, XVIII (202) Nov. 12, 18 5 0 , 31. 

 Tellina, S. A. Renier, Tavole [1804] v [no n.]. 

 Tentyria (Fab.), P. A. Latreille, Sonnini's Buffon, Ins. III (1802), 170.-Akis. 

 Terebratula, F. A. Roemer, Verst. Norddeutsch. Oolith. (I) 18 35, 52. 

 Timarcha, Dahl; J. Sturm, CataI. Ins. Samml. 1826, 202. 

 Unio, S. P. Hildreth, Amer. J. Sci. XIV (2) July 1828, 284. 

 Uropoda, C. L. Koch, Krit. Revision Insect. Deutschl. 18 47, 259. 



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