INDEX. 285 



PAGE. 



Nitida (Argonauta), Lam. An. s. Vert., vii, ()53, 1822. = A. hians, 



Sol. 

 Niveus (Octopus), Fer. Orb. Tab. Metli. des C'cph., rA, 1826. = 



O. aculeatus Orb. 



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



Northoceras, Barrande. 18o6 213 



Nortlioceras, Eichwald. Letli. 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., 



1853 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. !J, 



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

 Octopodia (Eledone), Pennant (sp. ). Brit. Zool., iv, 53, t. 28, i". 44, 



1777 : 129 



Octopodia (Octo^ms), Linn. Syst. Nat 113 



Octopodoteuthis, Riippell and Krolm. Archiv. fiir Naturg., i, 47, 



1845. == Verania Krohn. 



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



Octopus (^epia), Rose. Vers, i, 47. = Octopus vulgai'is. 

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

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



Linn 133 



Ocythoe, Raf. Precis Decouv. Somiol., 28, 1814 132, 133 



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



of Ammonites. 

 Officinalis (Sepia), Audouin. 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, De 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 



Orbignyana (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 imade with good reason in this instance; may not always 

 meet with unchallenged acceptance. 



