LIST OF ILLUSTEATIONS. IX 



PAOB 



60.— Zt/toceras^mhriatum, Shy. ; Middle JAas, Ch&Tmonth. 34 



61. — Macroscaphites Ivanii,'D'OTh.; L. CretaceoMS ... 36 



62. — ^amt^^s <f%ans, D' Orb. ; Gault, Folkestone 35 



63. — Turrililes eatenatus,!)' Orh.; G&vlt, Folkestone 36 



64. — ffeteroceras Hmerici,!)' Orh.; Cretaceous 36 



65. — Saculites anceps, Lawk. ; U. Cretaceous 36 



66. — Cardioceras cordatum, Shy.] Oxford Clay ... ... ... 37 



67. — Arietites obtusus, Shy. ; L. Lias 37 



68. — ^ff oceras capricornus, Schloth.; L. Lias... ... 38 



69. — „ I>av(ei, Shy. ; L. Lias ... 38 



70. — Grammoceras serpentinum, Schloth. ; U. lias ... ... ... 39 



71. — Dtsmoceras ligatum, D'Orb. ; Neocomian 39 



72. — Stephanocer as Blag deni, Shy.; Inferior Oolite 39 



73. — ,, cor onatum, W Oih. ] Callovian 40 



74. — Cosmoceras Jason, Heia. ; Callovian, or Oxford Clay 40 



75. — Hoplites radiatus, Brug. ; Neocomian 40 



76. — Scaphites Huffardianus, D^Orh.; Cretaceous 41 



77. — Crioceras Emerici, LeveHie ; Neocomian ... ... ... ... 41 



78. — Ancyloceras Matheronianum, D^Orh. ; Neocomian ... ... 42 



79a. — Ammonite with aptychus in aperture of shell ; Jurassic ... 42 



795. — Aptychus of an Ammonite detached ; Jurassic ... ... ... 42 



80. — Vaginella depressa, Bast. ; Miocene, Bordeaux 44 



81. — B alantium recurvum, ChUdr. ; Recent, Atlantic 44 



82. — Eyalcea tridentata, Gmel. Atlantic and Mediterranean. Miocene: 



Turin, Sicily, and Dax 44 



83. — Conularia quadrisulcata, Sby. ; Coal-measures, Coalbrookdale ... 44 



84. — Spondylus spinosus, Shy.', U. Chalk, Gravesend ... ... ... 46 



85. — Inoceramus mlcatus, Vark. ; Gault, Folkestone ... 47 



86. — Neithea quinquecostat^, Sby. ^ L, Chalk, Lewes, Sussex 47 



87. — Pleurotomaria Quoyana, F. and B. ; Recent, "West Indies ... 48 



,88. — ,, platyspira, D'Orb. ; M. Lias, France 48 



89. — Eippopodium ponderosum, Sby.; Lias, Gloucestershire 48 



90. — Grypheea incurva, Shy.; Lias, Lyme Regis ... ... ... 48 



91. — Trigonia costata, Tark. ; Oxfordian, Osmingt on, Dorset ... 49 



92. — Valuta Lamberti, Sby, ; Coralline Crag, Gomer, Suffolk 

 (one- eighth natural siie) 



93. — Amphidromus (Bulimus) ellipticus, Sby. ; Headon BUU, Isle of 

 Wight (ome-fourth natural size) .. . 



94. — Campanile {Cerithium) giganteum, Lamk. ; Eocene, Epemay, 

 France 



95. — Atrypa reticularis, JidXman ; Silurian and Devonian 



96. — Paterina Labradorica, Billings, sp. ; Cambrian ... 



97. — JDiscina circe, 'Bi\\ing& ; Ordovician 



98. — Clilambonites Verneuili, Eichw., sp. ; Ordovician 



