GENERAL INDEX. 



49 <J 



PAGE 



Genera of Cephalopoda, characters of {continued) — 





Scaphites, Parkinson 



215, 255 



Schloenbachia, Neumayr 



. 241 



Sepia, Linne" .... 



. 205 



Simoceras, Zittel 



. 262 



Spirulirostra, d'Orbigny 



. 206 



Stephanoceras, JVaagen 



224, 228, 229, 231, 251, 471—481 



Stoliczkaia, Neumayr 



. 258 



Streptoceras, Billings 



. 209 



Teudopsis, Deslongchamps . 



. 205 



Thysanoceras, Hyatt 



. 235 



Toxoceras, oVOrbigny . . . . 



215,260 



Trachyceras, Laube 



. 242 



Tretoceras, Salter 



. 210 



Trochoceras, Barrande 



. 210 



Tropidoceras, Hyatt 



. 236 



Tropites, Mojsisovics 



. 241 



Turrilites, Lamarck . . . . 



216, 244 



Horizons of Lower Lias in the European area 



. 65 



Middle „ . 



. 112 



Upper 



. 164 



Inferior Oolite Ammonite zones 



150—162 



Iron-stone workings in Middle Lias . 



96, 100 



Jet rock ..... 



120, 124 



Junction of Lower Lias with Keuper, Penarth Heath, near Cardiff 



10 



„ ,, Vale of Gloucester . 



. 18 



Lias — Lower beds, description of 



14—66 



„ Middle beds ,, . 



67—112 



,, Upper beds ,, . 



114—150 



Liassic zones, foreign correlations of — 





Aegoceras angulatutn-zone — 





In France .... 



32—35 



„ North Germany 



. 31 



Aegoceras Henleyi-zone — 





In Brunswick 



. 91 



,, North Germany 



. 91 



Aegoceras Jamesoni-zone — 





In France .... 



. 79 



,, North Germany 



. 78 



,, South-west Germany 



. 79 



