Category: Science - Biology
Evolutio and Epigenesis in the old Sense 25 The Cell 27 The Egg: its Maturation and Fertilisation 31 The First Developmental Processes of Echinus 33 Comparative Embryology 44 The First Steps of Analytical Morphogenesis 45 The Limits of Pure Description in Science 50
The organism is a specific body, built up by a typical combination of specific and different parts. It is implied in the words of this definition, that the organism is different...
4. PART IIAll systematics which deserves the predicate “rational” is founded upon a concept or upon a proposition, by the aid of which a totality of specific diversities may be understood...
2. PART II.--SYSTEMATICS AND HISTORYAdaptation as the Starting-Point 272 The Active Storing of Contingent Variations as a Hypothetic Principle 273 Criticism of the “Inheritance of Acquired Characters” assumed by L...
1. PART I.--THE INDIVIDUAL ORGANISM WITH REGARD TO FORM AND METABOLISMEvolutio and Epigenesis in the old Sense 25 The Cell 27 The Egg: its Maturation and Fertilisation 31 The First Developmental Processes of Echinus 33 Comparative Embryology 44 Th...