《EXTINCT PLANTS & problems of evolution》求取 ⇩

Ⅰ. INTRODUCTORY. SOME CURRENT PROBLEMS OF EVOLU-TION. POSITION OF DARWINISM. BEARING OF FOSSIL BOTANY ON THE QUESTIONS AT ISSUE1

Ⅱ. THE RECENT FLORA. THE VEGETATION OF THE TERTIARY PERIOD. THE CRETACEOUS TRANSFORMATION. THE OLDEST KNOWN FLOWERING PLANTS32

Ⅲ. THE FLORAS OF THE MESOZOIC AGE. THE CYCADS：THEIR SIGNIFICANCE AND GEOLOGICAL HISTORY. THE MESOZOIC CYCADOPHYTES A VARIED AND DOMINANT CLASS. ANALOGIES WITH THE FLOWER-ING PLANTS58

Ⅳ. THE PERMIAN TRANSFORMATION. THE CARBONIFEROUS FLORA IN RELATION TO THAT OF THE MESOZOIC AGE. PROFOUND CHANGES. EXTINCT GROUPS. THE "SEED FERNS" AND THE TRUE FERNS103

Ⅴ. LYCOPODS, HORSETAILS AND SPHENOPHYLLS. THE LOWER CARBONIFEROUS FLORA. EXTINCT FAMILIES. ABSENCE OF SOME FAMILIAR TYPES. THE UPPER DEVONIAN FLORA. HIGH ORGANISATION OF THESE ANCIENT PLANTS144

Ⅵ. THE EARLY DEVONIAN, THE AGE OF THE OLDEST KNOWN LAND FLORA. PLANTS FOR THE MOST PART SIMPLE, BUT HIGHER TYPES PRESENT ALSO. THE RHYNIE DISCOVERIES; STRANGE AND SIMPLE PLANTS, NOT REFERABLE TO ANY EXISTING CLASS. THE QUESTION OF THE ORIGINAL TRANSMIGRATION FROM SEA TO LAND BEARING OF EVIDENCE FROM FOSSIL PLANTS ON EVOLUTIONARY PROBLEMS181

REFERENCES228

INDEX233