The Evolution of Sex

Front Cover
W. Scott, 1889 - 322 pages

Contents

MALE AND FEMALE
3
Physiology of sperm
4
CHAPTER II
16
CHAPTER IV
41
CHAPTER V
57
CHAPTER VI
65
CHAPTER VII
81
ALTERNATION OF GENERATIONS
93
Alternation of juvenile parthenogenetic reproduction with the adult sexual process 6 Alternation of parthenogenesis and ordinary sexual reproduction
207
Alternation of different sexual generations 8 Occurrence of these alternations in animals
208
Occurrence of alternations in plants
210
The problem of heredity in alternating generations 11 Hints as to the rationale of alternation
212
Origin of alternation of generations PAGE
214
THEORY OF REPRODUCTION
217
CHAPTER XVI
219
Spencers analysis 3 Celldivision 4 Protoplasmic restatement
223

CHAPTER VIII
97
CHAPTER IX
109
CHAPTER X
117
CHAPTER XI
137
THEORY OF FERTILISATION 157168
157
CHAPTER XIII
169
Rhythm between sexual and asexual reproduction
201
3 Alternation between sexual and degenerate sexual repro duction
204
Combination of both these alternations
206
Antithesis between growth and reproduction 6 The contrast in the individual a In distribution of organs b In the periods of life 7 The contrast betw...
227
CHAPTER XVII
232
SPECIAL PHYSIOLOGY OF SEX AND REPRODUCTION
239
The beginning of reproduction 3 Celldivision
258
Gradations from asexual severance to liberation of sex cells 5 The close connection between reproduction and death 6 Reproduction as influenced b...
260
CHAPTER XIX
264
CHAPTER XX
283
THE REPRODUCTIVE FACTOR IN EVOLUTION
300
283299
318

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