LIST OF ILLTJSTEATIOIiTS. 



PAGX 



Tablb of Chronoioot op Plants .... (JFWintispieee.) 



Protannularia Harknessii 21 



Nematophyton Logani (three Figures) 22, 28 



Trail of King-Crab 28 



Trail of Carboniferous Crustacean 28 



Rusichnites 29 



Palteophycus . SO 



Astropolithon 81 



Carboniferous KU-mark 88 



Cast of Shrinkage Cracks 84 



Cone-in-cone 36 



Buthotrephis 37 



Silurian Vegetation 40 



Brian Plants 49 



Protosalvinia 64 



Ptilophyton (two Figures) 62, 68 



Psilophyton (two Figures) 64, 66 



Sphenophyllum 66 



Lepidodendron 66 



Various Ferns 72, 78 



Archseopteris 74 



Gaulopteris . . 75 



Megalopteris 76 



Calamites 77 



AsteiophyUites 78 



Dadosylon '9 



