M Database Inspector (cheetah)
Not logged in. Login

OriginOfSpecies - Values for title (139)
Value #
01-01 - Causes of Variability 5
01-02 - Effects of Habit 2
01-03 - correlation of Growth 2
01-04 - Inheritance 4
01-05 -Character of Domestic Varieties 2
01-06 - Difficulty of distinguishing between Varieties and Species 2
01-07 - Origin of Domestic Varieties from one or more Species 7
01-08 - Breeds of the Domestic Pigeons, their Differences and Origin 9
01-09 - Principles of Selection anciently followed, and their Effects 6
01-10 - Methodical and Unconscious Selection 5
01-11 - Unknown Origin of our Domestic Productions 5
01-12 - Circumstances favourable to Man's Power of Selection 3
01-13 - Summary 2
02-01 - Variability 2
02-02 - Individual Differences 2
02-03 - Doubtful Species 10
02-04 - Wide-ranging, much diffused, and common Species vary most 3
02-05 - Species of the Larger Genera in each Country vary more frequently than the Species of the Smaller Genera 2
02-06 - Many of the Species included within the Larger Genera resemble Varieties in being very closely, but unequally, related to each other, and in having restricted ranges 2
02-07 - Summary 2
03-01 - Bears on Natural Selection 2
03-02 - The Term, Struggle for Existence, used in a large sense 2
03-03 - Geometrical Ratio of Increase 2
03-04 - Rapid Increase of naturalised Animals and Plants 3
03-05 - Nature of the Checks to Increase 2
03-06 - Competition Universal 2
03-07 - Effects of Climate 2
03-08 - Protection from the Number of Individuals 2
03-09 - Complex Relations of all Animals and Plants Throughout Nature 5
03-10 - Struggle for Life most severe between Individuals and Varieties of the same Species 2
03-11 - The Relation of Organism to Organism the Most Important of All Relations 4
03-12 - Summary 2
04-01 - Natural Selection 5
04-02 - Its Power Compared with Man's Selection 2
04-03 - Its Power on Characters of Trifling Importance 2
04-04 - Its Power at All Ages and on Both Sexes 2
04-05 - Sexual Selection 3
04-06 - On the generality of Intercross Between Individuals of the Same Species 9
04-07 - Illustrations of the Action of Natural Selection: 10
04-08 - On the Intercrossing of Individuals 8
04-09 - Circumstances favourable for the production of new forms through Natural Selection 12
04-10 - Extinction caused by Natural Selection 3
04-11 - Divergence of Character 26
04-12 - On the Degree to which Organisation tends to advance 11
04-13 - Convergence of Character 8
04-14 - Summary of Chapter 4
05-01 - Effects of External Conditions 2
05-02 - Use and Disuse of Parts, combined with Natural Selection, Organs of Flight and Vision 7
05-03 - Acclimatisation 4
05-04 - Correlation of Growth 5
05-05 - Compensation and Economy of Growth 2
05-06 - False Correlation 2
05-07 - Multiple, Rudimentary, and Lowly-organised Structures are Variable 2
05-08 - Parts Developed in an Unusual Manner are Highly Variable 5
05-09 - Specific Characters more Variable than Generic Characters 2
05-10 - Secondary Sexual Characters Variable 3
05-11 - Species of the Same Genus Vary in an Analogous Manner 2
05-12 - Reversion to Long Lost Characters 10
05-13 - Summary 2
06-01 - Difficulties on the Theory of Descent with Modification 5
06-02 - Transitions 2
06-03 - Absence or Rarity of Transitional Varieties 10
06-04 - Transitions in Habits of Life 7
06-05 - Diversified Habits in the Same Species 2
06-06 - Species with Habits Widely Diffferent from those of their Allies 3
06-07 - Organs of extreme Perfection 5
06-08 - Means of Transition 6
06-09 - Cases of Difficulty 5
06-10 - Natura Non Facit Saltum 2
06-11 - Organs of Small Importance 6
06-12 - Organs not in all Cases Absolutely Perfect 13
06-13 - Summary: The Law of Unity of Type and of the Conditions of Existence Embraced by the Theory of Natural Selection 8
07-01 - Instincts comparable with habits, but different in their origin 2
07-02 - Instincts Graduated 2
07-03 - Aphides and ants 1
07-04 - Instincts variable 1
07-05 - Domestic instincts, their origin 1
07-06 - Natural instincts of the cuckoo, ostrich, and parasitic bees 1
07-07 - Slave-making ants 1
07-08 - Hive-bee, its cell-making instinct 1
07-09 - Difficulties on the theory of the Natural Selection of instincts 1
07-10 - Neuter or sterile insects 1
07-11 - Summary 1
08-01 - Distinction between the sterility of first crosses and of hybrids 1
08-02 - Sterility various in degree, not universal, affected by close interbreeding, removed by domestication 1
08-03 - Laws governing the sterility of hybrids 1
08-04 - Sterility not a special endowment, but incidental on other differences 1
08-05 - Causes of the sterility of first crosses and of hybrids 1
08-06 - Parallelism between the effects of changed conditions of life and crossing 1
08-07 - Fertility of varieties when crossed and of their mongrel offspring not universal 1
08-08 - Hybrids and mongrels compared independently of their fertility 1
08-09 - Summary 1
09-01 -On the absence of intermediate varieties at the present day 1
09-02 - On the nature of extinct intermediate varieties; on their number 1
09-03 - On the vast lapse of time, as inferred from the rate of deposition and of denudation 1
09-04 - On the poorness of our palaeontological collections 1
09-05 - On the intermittence of geological formations 1
09-06 - On the absence of intermediate varieties in any one formation 1
09-07 - On their sudden appearance in the lowest known fossiliferous strata 1
10-01 - On the slow and successive appearance of new species 1
10-02 - On their different rates of change 1
10-03 - Species once lost do not reappear 1
10-04 - Groups of species follow the same general rules in their appearance and disappearance as do single species 1
10-05 - On Extinction 1
10-06 - On simultaneous changes in the forms of life throughout the world 1
10-07 - On the affinities of extinct species to each other and to living species 1
10-08 - On the state of development of ancient forms 1
10-09 - On the succession of the same types within the same areas 1
10-10 - Summary of preceding and present chapters 1
11-01 - Present distribution cannot be accounted for by differences in physical conditions 1
11-02 - Importance of barriers 1
11-03 - Affinity of the productions of the same continent 1
11-04 - Centres of creation 1
11-05 - Means of dispersal, by changes of climate and of the level of the land, and by occasional means 2
11-06 - Dispersal during the Glacial period co-extensive with the world 1
12-10 - Distribution of fresh-water productions 1
12-20 - On the inhabitants of oceanic islands 1
12-30 - Absence of Batrachians and of terrestrial Mammals 4
12-40 - On the relations of the inhabitants of islands to those of the nearest mainland 3
12-50 - On colonisation from the nearest source with subsequent modification 10
12-60 - Summary of the last and present chapters 4
13-01 - CLASSIFICATION, groups subordinate to groups 1
13-02 - Natural system 1
13-03 - Rules and difficulties in classification, explained on the theory of descent with modification 13
13-04 - Classification of varieties 1
13-05 - Descent always used in classification 6
13-06 - Analogical or adaptive characters 2
13-07 - Affinities, general, complex and radiating 2
13-08 - Extinction separates and defines groups 4
13-09 - MORPHOLOGY, between members of the same class, between parts of the same individual 1
13-10 - EMBRYOLOGY, laws of, explained by variations not supervening at an early age, and being inherited at a corresponding age 1
13-11 - RUDIMENTARY ORGANS; their origin explained 1
13-12 - Summary 1
14-01 - Recapitulation of the difficulties on the theory of Natural Selection 7
14-02 - Recapitulation of the general and special circumstances in its favour 10
14-03 - Causes of the general belief in the immutability of species 13
14-04 - How far the theory of natural selection may be extended 1
14-05 - Effects of its adoption on the study of Natural history 5
14-06 - Concluding remarks 2