INDEX. 



Caeloceras, Hyatt. Bull. Mus. Comp. Zool., i, 8? ..... ! ............. 230 



Coindetii (Ommastrephes), Verany. Mem. Acad. Sc. Torino, t. 1, f. 



4, 1837. Ceph. Medit.. 110, t. 30, f. a, b, c, 1*52 ................. 17s 



Coleoceras, Portland, 1843. = Orthoceras. 



Collinsii (Histioteuthis), Verrill. Am. Jour. Science, "341, 1879 ..... 166 



Colpoceras, Hall. 3d Rep. Regents N. Y. Univers., 174 t. 5, f. 2. = 



Orthoceras ................................... . ..... .......... 210 



Compressa (Argonauta), Blainv. Diet. Sc. Nat., 212. = ? Argonauta 



Argo, L ..... ....... ....................................... 136 139 



Conchorhyncus, Blainv. Belernn., 115, 1827. = Fossil beaks of tet- 



rabranchiates 

 Conoceras, Bronn. Leth.. 98, 1285, 1837. = Orthoceras ............. 2M9 



Conoteuthis, d'Orb. Ann. Sci. Nat, xvii, t. 12, f. 1, 5, 1842 ..... 108, 203 



Conotubularia, Troost. Bull. Soc. Geol. Fr., iv, 4J4, 1834.= 



Endoceras. 

 Conradi (Argonauta), Parkinson. Proc. Bost. Soc. Nat. Hist., v, 



386, 1856. . .................................................... 137 



Cordiformis (Pinnoctopus), Quoy (sp.). Voy. Astrol., ii, 87, t. <>, f. 



3, 1832 ...................................................... 128 



Cornuta (Argonauta), Conrad. Jour. A. N. S., Phila., 2 ser., ii, 332, 



t. 34, f. 2, 1854. = A. Owenii, Adams and Reeve ................. 137 



Coroceras, Hyatt. Pal. King's Survey, 40th Par., 107, 1877 ......... 236 



Coroniceras, Hyatt. Bull. Mus. Comp. Zool., i, 77 ................. 227 



Corrugata (Argonauta), Humphrey. Mus. Talon., 6, No. 80, 1797. 



= Argonauta Argo, L. 

 Cosmoceras, Waag. Benecke's Geogn. Pal., ii, 1869 ............... 257 



Cranch i a. Leach. Tuckey, Exped. Congo.. 410, 1817 ........... 106, 152 



Cranchii (Loligo), Blainv. Jour, de Phys., 123, 1823. = Cranchia 



scabra, Leach. 

 Cranchii (Ocythoe), Leach. Jour. Phys., 1817. = Argonauta 



hians, Sol. 

 Crassicostata (Argonauta), Blainv. Diet. Sc. Nut., xliii, 213. 1824. 



= A. hians, Sol. 

 Crassus (Ommastrephes), Lafont. Faune Gironde, No. 49. Actes 



Soc. Linn. Bordeaux xxviii, 275, t. 16, 1872 ..................... 178 



Crioceras, Leveille. Mem. Soc. Geol. Fr., ii, 314, 1836 .......... 222, 264 



Cryptoceras, Barrande. Note prelim. Syst. Sil. Boh., 1846. = 



Ascoceras. 

 Cryptoceras, d'Orb. 1847 ........................................ 217 



Cuvieri (Octopus), Orb. Tab. des Ceph. Poulpes, t. 4, 1825 ......... 122 



Cyanea (Octopus), Gray. B. M. Cat., 15, 1849 ..................... 124 



Cyclidia. Rolle. 1862. = Trigonellites. 



Cycloceras, Conr. Jour. A. N. S., Philad., iv. t. 47, f. 5, 1858. == 



Cyclomera, Conr. 



Cycloceras, McCoy. Carb. Foss. Irel.. 1844. = Orthoceras. 

 Cyclomera, Conr. Am. Jour. Conch., ii, 78, 1866. = ?Baculites. 

 Cycloceras, Hyatt. Bull. Mus. Comp. Zool., i, 92 .................. 233 



Cyclura (Loligopsis). Lesueur (sp.). Jour. Philad. Acad. ii, 90, t. 



6, 1821 ....................................................... 163 



Cycria, Leach. Mss. Gray. Brit. Mus. Cat., 58, 1849. Ommas- 



trephes, Orb. 

 Cylindricus (Ommastrephes), Orb. Voy. Am. Merid.. 54, t. 3, f. 3, 4, 



1835. = O. Bartramii, Lesueur. 

 Cyrtoceras, Goldfuss. Beche Geogn., 536, 1832 .................... 211 



Cyrtocerina, Billings. 1865. = S. G. of Cyrtoceras ................. 211 



Cyrtochilus, Meek. U. S. Geol. Survey, Terr., ix, 392, 1876. S. G. 



of Baculites, Lam .............................................. 218 



