The Quarterly Journal of the Geological Society of London, Volume 28

abundant ammonoides animals appear basin beds boulders Bowen River Britain Carboniferous Chalk clay coal Coal-measures Coniston Cretaceous denudation deposits depth Devonian Discorbina district drift England evidence fauna feet fissures flora Foraminifera formation fossils fragments France genera genus Geol Geological Society geologists glacial glaciers Graptolites gravel Greensand hills Hippopotamus Hyæna inches Island Journ land Lepidodendron Limestone Limulus Llandeilo lobatula London London Clay Lower mammalia marine mass metamorphic miles Miocene Murchison nearly Neocomian northern occur Oolitic Paleozoic period plain Planorbulina plates Pleistocene Pliocene porphyrites portion present probably Prof Professor Pulvinulina Quart Queensland range Reuss ridge river rocks Rotalia sand Sandstone scratches shales shell side Silurian species specimens stone strata surface Tertiary Thames thick tion Trilobites Truncatulina Umballa Upper Llandeilo Vaal valley Wales Wealden