LIST OF ILLUSTRATIONS. 



IX 



Ceratites nodosus, 306 

 Chain-coral, 61, 62 

 Chama squamosa, 269 

 Choanite, 22 



Cidaris coronata, 146, 149 

 Clisiophyllum, 72, 73 

 Clymenia, 305 

 Comatula, 102 

 Crania, 226 

 Crioceras, 317 

 Crotalocrinus rugosus, 124 

 Ctenodonta contracta, 245 

 Cupressocrinus, 120 

 Cyathaxinias, 65 

 Cyprina islandica, 286 

 CyprDsa Europrea, 284 

 Cyrena antiqua, 272 

 Cyrtoceras Murchisoni, 300 



D 



Dendropliyllia, 56 

 Dianchora striata, 269 

 Diastopora Oolitica, 217, 220 



cells of, 218 



ventricosa, 219, 220 



Dibunophyllum, 86 

 Didymograptus, calycles of, 44 



Echinus esculenta, 145 



granulosus, 152 



Emarginala fissura, 279 



reticulata, 284 



Encrinus moniliformis, lOi 

 Entomostracan, 201 

 Eucalyptocrinus, 1 17 

 Euomphalus pentangulatus, 250 

 Euryale costosa, 105, 107 



palmifera, 106 



I'vxogyra conica, 270 

 Eyes of trilobite, 180 



Fascicularia aurantium, 220 

 Favosites cervicornis, 76 



fibrosa, 77 



Gothlandica, 57, 58 



Feather-star, development of, 99 

 Fenestella membranacea, 216 



nodulosa, 216 



plebeia, 215 



Fissurella Grasca, 280 

 Flustra, 213 



cells of, 214 



Foraminifera in Chalk, 32, 33 



Galerites albogalerus, 151 

 Gervillea, 258 



anceps, 269 



Glauconome elegans, 216 



flexicarinata, 215 



Glyptocrinus, 119 

 Graptolite, twin, 43, 45 

 Gryphsea incurva, 257 



H 



Hamites attenuatus, 319 

 Heliolites interstinctus, 79, 80 

 Heliopora cserulea, 59 

 Hippopodium ponderosum, 260 

 Plistioderma Hibernicum, i66 



tubular case of, 167 



extremity of tube of, 168 



Homalonotus, 189 



I 

 Ichthy ocrinus, head of, 117 

 Inoceramus sulcatus, 263 



Cuvieri, 264 



concentricus, 270 



Isastroea insignis, 92 

 oblonga, 93 



