_Lepidodendron Veltheimianum_ (_Ulodendron_) 129 158. Diagrammatic section illustrating the branch-theory of the Ulodendroid scar 132 [Council of the Manchester Literary and Philosophical Society.] 159. _Pinus clausa_ 134 160. _Lepidophloios scoticus_ 135 161. _Halonia tortuosa_ 136 162–167. _Lepidodendron fuliginosum_ 143–147 [Council of the Cambridge Philosophical Society.] 168. _Lepidodendron vasculare_ and _L. fuliginosum_ 148 169. _Lepidodendron fuliginosum_ 149 170–172. _L. fuliginosum_ 150–152 173. _Lepidodendron obovatum_ 154 174–176. _Lepidodendron aculeatum_ 155, 156 [Oxford University Press: Annals of Botany.] 177. _Stigmaria radiculosa_ 157 178. Stigmarian rootlet 158 179. _Lepidodendron Harcourtii_ and _L. fuliginosum_ 162 180. _Lepidodendron Wünschianum_ 163 181, 182. _L. Wünschianum_ 165, 166 183, 184. _L. Wünschianum_ 168, 169 [Editor of the New Phytologist.] 185. _Lepidodendron Veltheimianum_ 173 186. _L. Veltheimianum_ and _L. macrophyllum_ 176 187. _Lepidodendron australe_ 179 [Dr H. Woodward, Editor of the Geological Magazine.] 188, 189. _Lepidostrobus_ 183, 184 190. _Lepidodendron_ and _Lepidostrobi_ 186 191. _Lepidostrobus_ 188 192. _Spencerites insignis_ 193 [Oxford University Press: Annals of Botany.] 193. _Sigillaria elegans_, _S. rugosa_, _S. tessellata_, _Omphalophloios anglicus_ 197 194. _Sigillaria McMurtriei_ 199 195. _Sigillaria mammillaris_ 199 196. _Sigillaria Brardi_, _S. laevigata_, and _Lepidodendron Wortheni_ 200 197. _Carica_ sp. 202 198, 199. _Sigillaria_ 205, 206 200. _Sigillaria Brardi_ 212 201. _Sigillariostrobus_ 216 202. _Sigillaria elegans_ and _S. elongata_ 220 203.