LIST OF ILLUSTRATIONS. 



fl 



i 

 ii 



Species) 



Cordaites .... 



Erian Fruits .... 



Foliage from th(^ Coal -formation 



Sigillaria! (five Figure.^) . 



Stigmariie (two Figures) . 



Vcgt'tiible Tissues . 



Coals and Erect Trees (two Figures) 



Lepidodendron 



Lepidophloios .... 



Astcropliyllites, &c. . 



Calamitcs (five Figure.='> . 



Ferns of the Coal-formaiion (six Figures) 



Noeggcratliia dispar 



Cordaites .... 



Fruits of Cordaites, &c. . 



Conifers of the Coal-formation (four 



Trigonocarpum 



Sternberg! a .... 



Walfliia imbricatula 



Foliage of the Jurassic Period . 



Podozamites .... 



Salisburia .... 



Sequoia ..... 



Populus primieva 



Stercalia and Laurophyllum 



Vegetation of the Cretaceous Period 



Platanus ..... 



Protophylluni .... 



Magnolia .... 



Liriodendron (two Figures) 



Brasenia 



Gaylussaccia resinosa 



Populus balsamifera 



Fucus 



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