r- 



LIST OF PLATES. 



PLATE FACING PAGE 



I. Skeleton of Pareiasaurus Baini, Seeley 1 



II. Fossil Ostracoda from Canada 20 



III. New Bala Trilobites 49 



IV. Evolution of the Brachiopoda 65 



V. Stages of Generic Development of Brachiopoda 103 



VI. Fossil Insects from (Eningen 116 



VII. Purbeck Fishes and Osteorachis macrocephalus 145 



VIII. Cambridge Greensand Ganoids 207 



IX. Skeleton of a young Plesiosaur from the Oxford Clay 241 



X. Skeleton of Iguanodon from Bernissart, Belgium 289 



Portrait of Professor Huxley 337 



XI. Pitted Pebbles from the Bunter Conglomerate 341 



XII. Squaloraja and Chimcera 385 



XIIa. a Restoration of -Hy<swo(^ow en<OTtos, Leidy 441 



XIII. Didymograptus minutus and B. gracilis 482 



XIV. Phyllograptus angustifolius and Tetragraptus Bigshyi 482 



XV. Palseozoic Phyllopods, etc 539 



