: Note sur une Méthode pour la Réduction d'Intégrales Définies et sur son Application à Quelques Formules Spécials by Haan D Bierens De David Bierens - Definite integrals Mathematics; FR Sciences et Techniques

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Preliminary Ideas of Geological Chronology and of the Classification of Plants 1

Vegetation of the Laurentian and Early Paleozoic--Questions as to Algae 8

The Erian or Devonian Forests--Origin of Petroleum--The Age of Acrogens and Gymnosperms 45

The Carboniferous Flora--Culmination of the Acrogens--Formation of Coal 110

The Flora of the Early Mesozoic--Reign of Pines and Cycads 175

The Reign of Angiosperms in the Later Cretaceous and Early Tertiary or Kainozoic 191

Plants from the Tertiary to the Modern Period 219

General Laws of Origin and Migrations of Plants--Relations of Recent and Fossil Floras 237

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Table of Chronology of Plants Protannularia Harknessii 21 Nematophyton Logani 22, 23 Trail of King-Crab 28 Trail of Carboniferous Crustacean 28 Rusichnites 29 Palaeophycus 30 Astropolithon 31 Carboniferous Rill-mark 33 Cast of Shrinkage Cracks 34 Cone-in-cone 36 Buthotrephis 37 Silurian Vegetation 40 Erian Plants 49 Protosalvinia 54 Ptilophyton 62, 63 Psilophyton 64, 66 Sphenophyllum 65 Lepidodendron 66 Various Ferns 72, 73 Archaeopteris 74 Caulopteris 75 Megalopteris 76 Calamites 77 Asterophyllites 78 Dadoxylon 79 Cordaites 81 Erian Fruits 82 Foliage from the Coal-formation 111 Sigillariae 112-114 Stigmariae 115 Vegetable Tissues 117 Coals and Erect Trees 118, 119 Lepidodendron 120 Lepidophloios 121 Asterophyllites, &c. 122 Calamites 123-125 Ferns of the Coal-formation 126-129 Noeggerathia dispar 130 Cordaites 131 Fruits of Cordaites, &c. 132 Conifers of the Coal-formation 135 Trigonocarpum 136 Sternbergia 137 Walchia imbricatula 138 Foliage of the Jurassic Period 177 Podozamites 178 Salisburia 180 Sequoia 181 Populus primaeva 191 Stercalia and Laurophyllum 194 Vegetation of the Cretaceous Period 195 Platanus 198 Protophyllum 199 Magnolia 200 Liriodendron 201 Brasenia 207 Gaylussaccia resinosa 228 Populus balsamifera 229 Fucus 230

GEOLOGICAL HISTORY OF PLANTS.

PRELIMINARY IDEAS OF GEOLOGICAL CHRONOLOGY AND OF THE CLASSIFICATION OF PLANTS.

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