INDEX. 285 



PAGE. 



Nitida (Argonauta), Lam. An. s. Vert., vii, 653, 1822: = A. hians, 



Sol. 

 Niveus (Octopus), Fer. Orb. Tab. Meth. des Ceph., 54, 1826. = 



O. aculeatus Orb. 



Nodosa ( Argonauta t, Solander. Portl. Cat., 76, 2120, 17 140 



Northoceras, Barrande. 1856 213 



Northoceras, Eichwald. Leth. Ross., i, 1193, 1859. = Tretoceras, 



Salter. 



Notosiphites, Duval. Belemn., 23, 29. 38. = Belemnites, Lam. 

 Nouryi (Argonauta), Lorois, Revue et Mag. Zool., 9, t. 1, f. 5, Jan., 



1852 138 



Oceanicus (Ommastrephes \ Orb. Ceph. Acet. Calmars, t. 21. Om- 



mas., t. 1, f. 14-16, 1839. - O. Oualaniensis, Lesson. 

 Oceanica (Sepiola), Orb. Moll. Viv. et Foss , t. 10, f. 13, 1845. = 



S. Sepiola, L. 



Oceanus, Montf. Conch. Syst., 1808 = Nautilus, L. 

 Ocellatus (Octopus), Fer. Orb. Mem. Ceph. Acet. Poulpes, t. 9, 



upper fig., 1835. = O. membranaceus, Quoy. 

 Octopodia (Eledone), Pennant (sp.j. Brit. Zool., iv, 53, t. 28, f. 44, 



1777 129 



Octopodia (Octopus), Linn. Syst. Nat 113 



Octopodoteuthis, Riippell and Krohn. Archiv. fur Naturg., i, 47, 



1845. = Verania Krohn. 



Octopus, Cuvier. Regn. Anim., ii, 1817 104, 109 



Octopus (Sepia), Bosc. Vers. i, 47. = Octopus vulgaris. 

 Octopus (Sepia), Molina. Chili., p. 173. = O. Fontanianus, Orb. 

 Ocythoe, Leach. Zool. Misc., iii, 137, 139, 1817. = Argonauta, 



Linn 133 



Ocythoe, Raf. Precis Decouv. Somiol., 28, 1814 132, 1 33 



Oecotraustes, Waagen. Benecke's Geogn. Pal., ii, 1869. = Section 



of Ammonites. 

 Officinalis (Sepia), Audouiii. Expl. Egypte., t. 5, t. 1, f. 3, 1827. 



= S.- Savignyi, Blainv. 

 Officinalis (Sepia), var. B. Lam. Mem. Soc. Hist. Nat., 7, 1799. = 



Sepioteuthis sepioidea, Blainv. 



Officinalis (Sepia), Linn. Faun. Suec., n. 2106 39, 57, 63, 188 



Olcostephanus, Neum. Zeit. Deutsch. Geol. Gesell., xxvii, 1875 260 



Ommastrephes, d'Orb. Moll. Viv. et Foss. i, 412, 1845 106, 175 



Ommatostrephes. * := (Correction of) Ommastrephes. 

 Omphalia, I)e Haan. Monog. Ammon., 51. = Nautilus, L. 



Oncoceras Hall. = S. G. of Cyrtoceras 211 



Onychia, Lesueur. Jour. A. N. S. Philad., i, 98, 1821 106, 171 



Onychoteuthis, Lichtenst. Berl. Acad., 1818 106, 168 



Ophidioceras, Barrande. 1867. = S. G. of Lituites 213 



Ophioceras, Barrande. 1865. = Ophidioceras. 



Ophioceras, Hyatt. Bull. Mus. Comp. Zool., i, 75 226 



Oppelia, Waag. Benecke's Geogn. Pal., ii, 1869 254 



Orbignyaiia (Sepia), Fer. Orb. Tabl. Meth., 66, 1826 198 



Ormoceras, Stokes. Phil. Mag., xiii, 388, 1838. = S. G. of Ortho- 



ceras 209 



Ornata, (Sepia), Rang. Mag. de Zool., 76, t. 101, 1837. 195 



* Corrections of scientific names are scarcely allowable ; it is preferable to retain 

 original names with all their faults, and thus have a settled nomenclature rather 

 than allow changes, which unade with good reason in this instance) may not always 

 meet with unchallenged acceptance. ' 



