64 



acutissimus — acutus 



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

 1842, 6. [(Kk*).— Carocolla. 



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

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

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

 acutissima Pleurodonta (Lam.), H. Beck, Index Moll. Mus. Ch. Fred. (i) 1837, 33. — 

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



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



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

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

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

 acutissimus Unio, I. Lea, Tr. Amer. Phil. Soc, n. s. IV (i) 1831, 89. [(1849), 241. 

 acute-striata Loxonema (Klip.), A. d'Orbigny, Prodr. Paleont. 1. 1849 LJ^^- 1850], 



187. — Melania. 

 acute-striata Melania, A. v. Klipstein, Beitr. geoL ostl. Alpen. (2, 3) 1845, 188. 

 acutisulcata Myopsis (Desh.), J. L. R. Agassiz, Etudes crit. Moll. foss. (4) 1845, 254. — 

 Pholadomya. [Pholadomya. 



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

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



319 — [;/. «.] 

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

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

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

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



acuto -* V. acuti -*► Quly 1837, 42. 



acutula Cochlicella, Ziegler in E. A. Rossmaessler, Icones L. u. S. Moll. 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 [«. «.]. 

 acutula Heiix (Helicella), A. E. Ferussac, H. N. g. et p. Moll., Tabl., Lima^ons, 1821, 

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

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

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



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

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

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

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

 acuta Acronycta, C. F. Freyer, Neuere Beitr. Schmett. III (43) 1838, 88. 

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



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

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



Goniatites. 

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



Nat. Wien, III. 1847, ^94- — 1^- ''•] 

 acutus Ammonites, J. Sowerby, Min. Conch. I. 1813, 51. 

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

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

 acutus Ancylus, H. G. Bronn, Ergeb. nat. Reisen, II. 1831, 589. 

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



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

 acutus Aradus, T. Say, N. sp. Het. Hemipt. N. Amer., Dec. 1831. 

 acuta Arcom^ra, J. L. R. Agassiz, Etudes crit. Moll. foss. (3) 1843, 171. 

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

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

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

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

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

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

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



