LIST OF ILLUSTRATIONS 



Fig. page 



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



Iguana ........ 200 



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



146. Drawing of the skeleton of a carnivorous Dinosaur, 



the Megalosaiu'us ...... 203 



147. Drawing of a completely restored skeleton of the 



Brontosaiu'us ...... 205 



148. Probable appearance of the Ceteosaurus (and of the 



closely similar Diolodochus and Brontosavirus) 



in life . . ^ 206 



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



horned Dinosaur, Triceratops .... 207 



1 50. Probable appearance in life of the Jurassic Dinosaur, 



Stegosaurus ....... 208 



151. Photograph of the skeleton of Parisaurus . .211 



152. Probable appearance 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 remo^•ing nodules containing the 

 skeletons of great reptiles . .... 215 



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



157. A series of skeletons of Parisaurus removed bit by 



bit from Archangel nodules and mounted as de- 

 tached specimens by Prof essor Amalitzki . . 217 



158. Photograph of a skeleton of Pariasaiu-us, removed 



from an enveloping nodule and mounted by 

 Professor Amalitzki . . . . .218 



xix 



