290 



INDEX. 



Pleistocene climate, 227, 230. 

 Pleistocene flora, 223, 227. 

 Pliocene climate, 223. 

 Podozamites, 178. 

 Poles, Supposed change of, 248. 

 Populus, 191, 228. 

 Potamogeton, 229. 

 Potentilla, 228. 

 Protannularia, 21. 

 Protichnites, 27. 

 Protophyllum, 199. 

 Protosalvinia, 52. 

 Protostigma, 20. 

 Prototaxites, 21. 

 Psaronius, 93. 

 Psilophyton, 64. 

 Ptilophyton, 62, 86. 



Quercus, 197. 



Rhizocarps, 48. 

 Rill-marks, 33. 

 Rusichnites, 28. 



Saccamina, 57. 

 Salisburia, 180. 

 Salter, Mr., 98. 

 Salvinia, 54. 



Saporta, Count de, 26, 193. 

 Saportea, 57. 

 Sassafras, 199. 

 Scalariform tissue, 70. 

 Schimper, Dr., 116, 169, 208. 

 Scolithus, 30. 

 Scottish Devonian, 98. 

 Sequoia, 181. 

 Shrinkage cracks, 33. 

 Sigillaria, 71, 112, 154. 

 Southern Hemisphere, 217, 273. 

 Carboniferous in, 147. 



Southern Hemisphere, Tertiary in, 



217. 



Sphenophyllum, 61, 122, 171. 

 Spirophyton, 38. 

 Spitzbergen, 241. 

 Sterculites, 193. 

 Sternbergla, 137, 152. 

 Stigmaria, 115. 

 Stur, Dr., on Sigillaria, 116. 

 Symphorocarpus, 214. 

 Syringodendron, 156. 

 Syringoxylon, 82. 



Table of formations, 4. 



Tasmania, Fossil plants of, 217, 246. 



Tasmanite, 57. 



Tertiary period, Flora of, 191, 208, 



214, 219. 



Tertiary of Australia, 217. 

 Thallogens, 6. 

 Thomas, Mr., 51. 

 Thuja, 213, 229. 

 Time, Geological, 5. 

 Trapa, 196. 

 Tree-ferns, 90, 129. 

 Triassic flora, 176. 

 Trigonocarpum, 136, 153. 

 Tyndall, Prof., 138. 



Ulrich, Prof., 57. 



Unartok beds, 281. 



Ursa stage of Heer, 108, 241. 



Walchia, 134, 138. 



Ward, Mr. L. T., 192, 212, 215. 



Wethered, Mr. E., 52. 



White, Dr., 215. 



Williams, Prof., 51. 



Williamson, Dr., 26, 31, 71, 167. 



Williamsonia, 188. 



THE END. 



