ILLUSTRATIONS. 



Skeleton of Hylono/zius Lydli 

 Footprints of Hylopus Logani 

 Humerus and Jaws of Dendrerpeton 

 Reptiliferous Tree .... 

 Microsaurian, restored . 

 Dolichosoma longissimwii, restored . 

 Pupa and Conulus .... 

 Millipedes and Insect 

 Footprints of Limulus . 

 Rusichnites GrenvWensis 

 Restoration of Protospongia tetraneina 

 Giant Net-sponge .... 

 Boulder Beach, Little Metis . 

 Palaeogeography of North America 

 Distribution of Animals in Time 

 Tuckerman's Ravine and Mount Washington 



Pre-historic Skulls 



Primitive Sculpture . » . 



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