69. Coral and Spongites 224 70. Fossil Zoophytes 227 71. Fossil Sponge 228 72. Fossil Zoophytes 229 73. Siphoniæ from the Greensand 231 74. Polypothecia dichotoma 232 75. Choanites Königi 234 76. Paramoudra in the Chalk 237 77. A group of Spiniferites in Flint 239 78. Spiniferites Reginaldi 241 79. Spiniferites palmatus 241 80. Flints, the forms of which are derived from Zoophytes 243 81. Ventriculites radiatus 244 82. Portions of Ventriculites 245 83. Ventriculites alcyonoides 248 84. A Coral Polype, in flint 250 85. Graptolites in Wenlock Limestone 255 86. Favosites polymorpha 258 87. Corals from the Dudley Limestone 261 88. Fossil Corals 262 89. Corals from the Chalk and Mountain Limestone 268 90. Stems of Encrinites and Pentacrinites 284 91. Recent Comatula and Fossil Crinoidea 286 92. Fossil Crinoidea 289 93. Apiocrinites 291 94. Actinocrinites and Pentacrinite 294 95. Cyathocrinites planus 296 96. Marsupites Milleri 300 97. Fossil remains of Star-fishes 305 98. Goniaster Mantelli 306 99. Asterias prisca 308 100. Fossil Turban Echinus with its Spines 311 101. Cidarites from the Oolite and Chalk 316 102. Fossil Spines of Cidarites 319 103. Echinital remains in flint 320 104. Echinites from the Chalk 323 105. Holectypus inflatus 324 106. Discoidea castanea 325 107. Micraster cor-anguinum 328 108.