LIST OF ILLUSTRATIONS 



Fig. page 



144. A portion of the upper jaw of the recent hzard 



Iguana 200 



145. Photograph of the skull of an Iguanodon . . 202 



146. Drawing of the skeleton of a carnivorousjDinosaiu', 



the Megalosavu-us ...... 203 



147. Drawing of a completely restored skeleton of the 



Brontosaiu'us ...... 205 



14S. Probable appearance of the Ceteosaurus (and of the 

 closely similar Di'olodochus and Brontosaiu-us) 

 in hfe . 206 



149. Drawing of the appearance in life of the three- 



horned Dinosaiu", Triceratops .... 207 



150. Probable appearance in life of the Jiu-assic Dinosaur, 



Stegosaiu-us ....... 208 



151. Photograph of the skeleton of Parisaurus . .211 



152. Probable aispearance in life of the Theromorph 



Reptile, Dimetrodon . . . . .212 



153. View of one of the dark patches in the cliffs of the 



river Dwina ....... 213 



154. One of the nodules showing the form of the em- 



bedded skeleton . . . . . .214 



155. Peasants working on the face of the cliff near 



Archangel and removing nodules containing the 

 skeletons of great rei^tiles . .... 215 



156. Professor Amalitzki's workshop in Warsaw . . 216 



157. A series of skeletons of Parisaurus removed bit by 



bit from Archangel nodules and mounted as de- 

 tached specimens by Professor Amalitzki . .217 



158. Photograph of a skeleton of Pax-iasam"us, removed 



from an envelojoing nodvxle and mounted by 

 Professor Amalitzki . . . . .218 



xix 



