INDEX. 291 



PAGE. 



Sloanii (Sepioteuthis), Leach. Gray, B. M. Cat., 82, 1849 153 



Sloanii (Ommastrephes), Gray. B. M. Cat., 61, 1849 180 



Smithii (Enoploteuthis), Leach (sp.). Tuckey's Exped. Congo. Ap- 

 pend., 411, 1817 172 



Solenoceras, Conrad. Jour. Philad. Acad. N. S., iv, 284, 1860. = 



?Ptychoceras, d'Orb. 

 Solenochilus, Meek and Worthen. Proc. Philad. Acad., 47, 1870. 



Cryptoceras, d'Orb. 



Sphenodiscus, Meek. Hayden's 2d Ann. Kep., 297, 1872. Geol. Sur- 

 vey Terr., ix, 462, 1876. = S. G. of Placenticeras, Meek 238 



Spiralis (Loligo), Fer. Diet. Class, n. 6, 1823. = L. media, Linn. 



Spirula, Lam. Syst. Hist. Nat., 1801 108, 203 



Spirulirostra, d'Orb. Ann. Sci. Nat., xvii, 362, t. 11, f. 16, 1842.108, 203 



Steenstrupi (Loliolus), Dall. Am. Jour. Conch., vii, 97, 1872 151 



Stenoceras, d'Orb. Pal. Strat., i. 58, 1850. = Bactrites. 

 Stenodactyla (Sepiola), Grant. Trans. Zool. Soc., i, 84, t. 11, f. 1, 2, 



6, 1833 157 



Stenomphalus (Nautilus), Sowb. Thes. Conch., ii, 465, t. 97, f. 8. . . 216 

 Subalata (Loligo), Gervais et V. Beneden (sp.). Bull. Acad. Brux., 

 v, n. 7, 423, 1838. 



Stephanoceras, Waag. Benecke's Geogn. Pal., ii, 1860 256 



Stoliczkaia, Neum. Zeit. Deutsch. Geol. Gesell., xxvii, 1875 264 



Streptoceras, Billings. Cat. Sil. Foss. Anticosta, 88, 1866. = S. G. of 



Cyrtoceras 211 



Striata (Argonauta), Perry. Conch., t. 42, f. 4. = Argonauta Argo, 

 Linn. 



Subalata (Loligo), Gervais and Van Bened 144 



Subclymenia, d'Orb. Pal. Strat., 1850 214 



Sublsevis (Rossia), Verrill. Am. Jour. Science, 3d ser., xvi, 209, 



1878 161 



Subulata (Loligo), Lamarck (sp.). Mem. Soc. Hist. Nat., Paris, i, 



15, n. 3, 1799. = Loligo media, Linn. 

 Sulcata (Argonauta), Lam. An. s. Vert., 99, 1801. = Argonauta 



Argo, L. 

 Sumatrensis (Loligo), Fer. et Orb. Ceph. Calmars, t. 13, f. 1-3, 



1839 145 



Superciliosus (Octopus), Quoy. Voy. Astrol., ii, 88, t. 6, f. 4, 1832.. . 121 

 Sycoceras, Pictet. 1844 212 



Taonius, Steenstrup. Oversigt Dan. Vid. Selsk., 83, 1861 Loli- 



gopsis, Lam. 

 Tehuelchus (Octopus), Orb. Voy. Amer. Mer.. 27, t. 1, f. 6, 7, 1835. 118 



Temnocheilus, McCoy. Carb. Foss. Irel. = ? S. G. of Nautilus 217 



Tentaculites, Schloth. Petref., 377, 1820. = ? Orthoceras. 



Tenuis (Nautilus), Martini. Conch. Cab., i, 235, t. 17, f. 159, 658, p. 



238, vignette, p. 221, f. 2. = Argonauta Mans, Sol. 

 Tetracirrhus (Octopus), Chiaje. Aninr. Invert., i, 4, t. 4. Verany, 



Ceph. Medit., 25, t. 7, 7 bis, f. 1, 1852 119 



Tetradynamus (Octopus), Raf. Precis Decouv. Somiol., 28, 1814... 126 

 Tetricus (Octopus), Gould. Moll. Wilkes Exped., 474, f. 588, 1852.. 121 



Teuthis (Aristotle), Gray. Brit. Mus. Cat., 76, 1849 149 



Teuthopsis, Deslongchamps. Mem. Soc. Linn. Norm., t. 3, f. 1-3, 



1835 105, 154 



Thalamus, Montf. Conch. Syst., i. 1808. = Belemnites, Lam. 

 Theca, Morris. Sharpe, Quar. Jour. Geol. Soc., ii, 1846. =? Ortho- 

 ceras, 



