TABLE OF CONTENTS. 



Preface v 



Desceiption op the Feontispiece X 



Introduction 13 



Btstrtpti'tins of ti)E plates. 



FOSSIL EBMAINS OP THE VEGETABLE KINGDOM. 



(Plates I. to XXXIII. inclusive.) 

 plate 



I. — Various specimens of Fossil Wood, and fragments of Plants 19 



II. — Chiefly examples of sUioified Wood . 21 



III. — Stigmaria, Calamites, and Wood 23 



IV. — ^Fronds of various Fossil Ferns 25 



V. — ^Different species of Ferns and other Plants 27 



VI. — ^Principally Fossil Fruits from the London clay of the Isle of Sheppey 29 



VII. — Specimens of the Fruit of a species of iV^i!))«j, or Molucca Palm ; from the Isle of Sheppey . . 31 

 VIII. — Figures of different portions of beautiful sUicified Stems of Plants allied to the Arborescent Ferns ; 



from Chemnitz 33 



IX. — Fossil Seed-vessels or Cones {Lepidosirobus) of the Lepidodeudi'on 35 



X. — An aquatic Plant {Hi/datica) in Coal shale . 37 



XI. — A fine specimen of another species of Hydatica 39 



XII. — A deUoate aquatic Plant {MyriophjlUtes^ in Coal shale 41 



XIII. — Portion of the Stem of the Calamites ramoaus 43 



XTV. — Fragment of Stems of another species of Calamite {Calamites dtihitis) 45 



XV. — Stem of a Calamite very much resembling the Bamboo (Caforai!fes^se?((^o-i»mfes2(?:) ... 47 



XVI. — Another species of Calamite (Calamites approximatus) ........ 49 



XVII. — Stem of another kind of Calamite [Calamites decoratus) 51 



XVIII. — Fossil Stems allied to the Pandanus or Yucca [Sternbergia transversa) 53 



XIX. — Stem of a species of Sigillaria (Sigillaria fibrosa) 55 



XX. — Stem of another kind of Sigillaria 57 



XXI. — Fossil Roots of SigUlaria (/S'if^(j';«ana_/?coj<?iss) 59 



XXII. — Another species of Stigmai'ia [Stigmaria verrucosa) 61 



XXIII. —Fragment of a Stigmaria with large tubercles 63 



XXIV. — Part of a Stem of a tree allied to Sigillaria [Aspidiaria cristata) 65 



XXV. — Stem of a Plant allied to the Arborescent Ferns [Megaplii/ton) 67 



