64 



acutissimus — acutus 



acutissima 



acutissima 



acutissima 



acutissima 



acutissimus 



acutissima 



acutissima 

 acutissima 

 acutissimus 

 acute-striata 



acute-striata 

 acutisulcata 



acutisulcata 

 acutisulcata 



acutiuscula 

 acutiuscula 

 acutiuscula 



acutissima Helicina, G. B. Sowerby, II., Proc. Zool. Soc. London, X (io8) June 

 1842,6. [(Kk*).— Carocolla. 



Helix (Lam.), G. P. Deshayes, Ency. Meth. (Vers) II (2), 1832, 261 

 Lamna (Odontaspis), J. L. R. Agassiz, Poiss. Foss. III. 294 (1843). 

 Odontaspis (Ag.), H. G. Bronn, Index Pal. 1848, 835. — Lamna (O.). 

 Pleurodonta (Lam.), H. Beck, Index Moll. Mus. Ch. Fred. (i) 1837, ^^. — 

 Pyramis, T. Brown, 111. Conch. G. B. I. 1827, pl. 1. f. 36. [Carocolla. 



Pyrula, Bellardi in G. Michelotti, Nat. Verh. Hollandsche Maat. Wetensch. 



te Haarlem (2) III (2) 1847, 270. 

 Spiroptera, C. A. Rudolphi, Entoz. Syn. Mant. 1819, 642. 

 Turritella, Jos. Mliller, Amt. Ber. Vers. deutsch. Nat. u. Aerzte, 1847 

 Unio, I. Lea, Tr. Amer. Phil. Soc, n. s. IV (i) 1831, 89. [(1849), -4i- 



Loxonema (Klip.), A. d'Orbigny, Prodr. Paleont. 1. 1849 U^^- '850], 



187. — Melania. 



Melania, A. v. Klipstein, Beitr. geol. ostl. Alpen. (2, 3) 1845, 188. 



iMyopsis (Uesh.), J. L. R. Agassiz, Etudes crit. MoU. foss. (4) 184-;, 254. — 



Pholadomya. [Pholadomya. 



Panopaea (Desh.), A. d'Orbigny, Pal. Fran^. , Cret. III (Lam.) 1845, 336. — 



Pholadomya, Deshayes in Leymerie, Mem. Soc. geol. France, IV. 1840, 



319.— [«. w.] 

 Doris, J. Steenstrup, Naturhist. Tidsskrift, IV (r) 1842, 79. 

 Phasianella, J. Lycett, Ann. Mag. N. H. (2) VI. Dec. 1850, 417. 

 Volvaria, G. B. Sowerby, L, Gen. Shells (5) 1821. 

 acutivelis Arius, Cuvier & Valenc, H. N. Poiss. XV. 1840, 85. 



acuto -* V. acuti -» [July 1837, 42. 



acutula Cochlicella, Ziegler in E. A. Rossmaessler, Icones L. u. S. MoU. Europ. I (5 & 6) 

 acutula Darnis, L. Fairmaire, Ann. Soc. Ent. France [2] IV (4) Mar. 1847, 481. 

 acutulus Goniatites, G. Sandberger, N. Jahrb. f. Min. 1842, 401 [n. n.]. 

 acutula Helix (Helicella), A. E. Ferussac, H. N. g. et p. MoU., Tabl, Limacons, 182 1, 

 Acanthoteuthis, G. v. Muenster, Beitr. zur Petref. (7) 1846, 64. [46. — [«. «.]. 



Acanthylis (Gm.), G. R. Gray, Genera of Birds, I. Feb. 1845, 55. 

 Achatina, Lamarck, An. s. vert. VI (2) 1822, 129. 



Achatinella, W. Swainson, Q. Journ. Sci. (R. Inst. Gt Brit.) Mar. 1828, 84. 

 Acineria, F. Dujardin (Roret's Suite a Bufifon), Infusoires, June 1841, 402. 

 Acmaea, H. G. Bronn, Index Pal, 1848, 7. — Ancylus, 1832. 

 Acrodus, J. L. R. Agassiz, Poiss. Foss. III. 146 (1839). 

 Acronycta, C. F. Freyer, Neuere Beitr. Schmett. III (43) 1S38, 88. 

 Acteon, J. De C. Sowerby, Min. Conch. V. 1824, 78. 



Acteonina, A. d'Orbigny, Prodr. Paleont. II [Nov.] 1850, 6. — "Acteon, 1841." 

 Aganides (Muenst.), A. d'Orbigny, Prodr. Paleont. I. 1849 [Jan. 1850], 58. — 



Goniatites. 

 Alburnus, J. J. Heckel in Russegger, Rei.se, I (2) 1843, 1036; Ber. mitth. Fr. 



Nat. Wien, III. 1847, 194.— [«. «.] 

 Ammonites, J. Sowerby, Min. Conch. I. 18 13, 51. 

 Ammonites, Lamarck, An. s. vert. VII. 1822, 639. 

 AmpuIIaria, Lamarck, Ann. Mus. H. N. (Paris) V (25) Sept. 1804, 31. 

 Ancylus, H. G. Bronn, Ergeb. nat. Reisen, II. 183 1, 589. 

 Anomites, W. Martin, Petr. Derb. 1809, pl. 49. 



Aptychus (laevis), H. v. Meyer, Abh. Senckenb. Mus. I (3) 1834, 286. 

 Aradus, T. Say, N. sp. Het. Hemipt. N. Amer., Dec. 183 1. 

 Arcomya, J. L. R. Agassiz, Etudes crit. Moll. foss. (3) 1843, 171. 

 Arius, P. Bleeker, Nat. Geneesk. Arch. Neerland's-Indie, III (2) 1846, 167. 

 Asteracanthus, J. L. R. Agassiz, Poiss. Foss. III. 33 (1837). 



Auricula, A. d'Orbigny, Syn. Moll. Am. merid. in Magasin de Zool. V, 1835, 23. 

 Auricula, F. Dujardin, Mem. Soc. geol. France, II (2) 1837, 277. 

 Auricula, M. de Serres, Ann. Sci. Soc. Agric Lyon, III. Mar. 1840, 483. 

 Avicula (Sow.), G. A. Goldfuss, Petref. German. II (5) 1836, 126. — Gervillia. 

 Belemnites, J. S. Miller, Tr. Geol. Soc. London [2] II. 1826, 60. 



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