2t6 INDEX. 



PAGK. 



Cfeloceras, Hyatt. Bull. Mus. C'omi>. Zool., i. 87 230 



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



4, 1837. Ceph. Medit.. 110, t. 36, f. a. b, c, 1852 178 



Coleoceras, Portland, 1843. = Oithoceras. 



CoUinsii (Histioteuthisi, Verrill. Am. Jour. Science, 241, 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 



Conchorhyncu.s, Blainv. Beleinn., 115, 1827. = Fossil beaks of tet- 



rabranchiates 



Conoceras, Bronn. Leth.. 98, 1285, 1837. = Orthoceras 269 



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



Conotubularia, Troost. Bull. Soc. Geol. Fr., iv, 414, 1834.= 



Endoceras. 

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



386. 1856 137 



Cordiformis (Pinnoctopus), Quoy (sp.). Voy. Astrol., ii, 87, t. 6, 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. Calon., 6, No. 80, 1797. 



:= Argonauta Argo, L. 



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



Cranchia. 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. = Argonavita 



hians, Sol. 

 Crassicostata (Argonauta), Blainv. Diet. Sc. Nat., 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, 1 849 124 



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 



Cyrtoceriua, Billings. 1885. = S. G. of Cyrtoceras 211 



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



of Baculites, Lam 218 



