Category: Science - Biology

The Descent of Man and Selection in Relation to Sex, Vol. I

Nature of the evidence bearing on the origin of man--Homologous structures in man and the lower animals--Miscellaneous points of correspondence--Development--Rudimentary structures, muscles, sense-organs, hair, bones, reproductive organs, &c.--The bearing of these three great...

Chapters

22. CHAPTER XI.

Courtship of butterflies--Battles--Ticking noise--Colours common to both sexes, or more brilliant in the males--Examples--Not due to the direct action of the conditions of life-...

19. CHAPTER VIII.

Secondary sexual characters--Sexual selection--Manner of action--Excess of males--Polygamy--The male alone generally modified through sexual selection--Eagerness of the male--Va...

15. CHAPTER IV.

Variability of body and mind in man--Inheritance--Causes of variability--Laws of variation the same in man as in the lower animals--Direct action of the conditions of life--Effe...

21. CHAPTER X.

Diversified structures possessed by the males for seizing the females--Differences between the sexes, of which the meaning is not understood--Difference in size between the sexe...

14. CHAPTER III.

The moral sense--Fundamental proposition--The qualities of social animals--Origin of sociability--Struggle between opposed instincts--Man a social animal--The more enduring soci...

13. CHAPTER II.

The difference in mental power between the highest ape and the lowest savage, immense--Certain instincts in common--The emotions--Curiosity--Imitation--Attention--Memory--Imagin...

18. CHAPTER VII.

The nature and value of specific characters--Application to the races of man--Arguments in favour of, and opposed to, ranking the so-called races of man as distinct species--Sub...

17. CHAPTER VI.

Position of man in the animal series--The natural system genealogical--Adaptive characters of slight value--Various small points of resemblance between man and the Quadrumana--R...

16. CHAPTER V.

The advancement of the intellectual powers through natural selection--Importance of imitation--Social and moral faculties--Their development within the limits of the same tribe-...

12. CHAPTER I.

Nature of the evidence bearing on the origin of man--Homologous structures in man and the lower animals--Miscellaneous points of correspondence--Development--Rudimentary structu...

20. CHAPTER IX.

In the lowest classes the two sexes are not rarely united in the same individual, and therefore secondary sexual characters cannot be developed. In many cases in which the two s...

11. CHAPTER XI.

Courtship of butterflies--Battles--Ticking noise--Colours common to both sexes, or more brilliant in the males--Examples--Not due to the direct action of the conditions of life-...

7. CHAPTER VII.

The nature and value of specific characters--Application to the races of man--Arguments in favour of, and opposed to, ranking the so-called races of man as distinct species--Sub...

4. CHAPTER IV.

Variability of body and mind in man--Inheritance--Causes of variability--Laws of variation the same in man as in the lower animals--Direct action of the conditions of life--Effe...

8. CHAPTER VIII.

Secondary sexual characters--Sexual selection--Manner of action--Excess of males--Polygamy--The male alone generally modified through sexual selection--Eagerness of the male--Va...

10. CHAPTER X.

Diversified structures possessed by the males for seizing the females--Differences between the sexes, of which the meaning is not understood--Difference in size between the sexe...

3. CHAPTER III.

The moral sense--Fundamental proposition--The qualities of social animals--Origin of sociability--Struggle between opposed instincts--Man and social animal--The more enduring so...

6. CHAPTER VI.

Position of man in the animal series--The natural system genealogical--Adaptive characters of slight value--Various small points of resemblance between man and the Quadrumana--R...

1. CHAPTER I.

Nature of the evidence bearing on the origin of man--Homologous structures in man and the lower animals--Miscellaneous points of correspondence--Development--Rudimentary structu...

5. CHAPTER V.

The advancement of the intellectual powers through natural selection--Importance of imitation--Social and moral faculties--Their development within the limits of the same tribe-...

2. CHAPTER II.

The difference in mental power between the highest ape and the lowest savage, immense--Certain instincts in common--The emotions--Curiosity--Imitation--Attention--Memory--Imagin...

9. CHAPTER IX.