Men Sex. The Descent of Man and Selection in Relation to Sex

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eBook	The Descent of Man and Selection in Relation to Sex


Table of Contents Useful links	Table of Contents Sex Relations The Descent of Man and Selection in Relation to Sex Preface Introduction The Evidence Of The Descent Of Man From Some Lower Form EMBRYONIC DEVELOPMENT RUDIMENTS The chief agents The extrinsic muscles The celebrated sculptor The nictitating membrane Man differs conspicuously It appears as In some of the lower The reproductive system On The Manner Of Development Of Man From Some Lower Form With respect... External conditions EFFECTS OF THE INCREASED It is familiar to every ARRESTS OF DEVELOPMENT Many of the cases This has been Various other anomalies Many muscles Certain variations Darwinian principle Civilised populations If we look back We have now Even to hammer It seems to me If it be an advantage The free use The gradually Another most But what are we Thus a large CONCLUSION Comparison Of The Mental Powers Of Man And The Lower Animals With respect to animals Such variations The love of Most of the We will now The principle When asked Of all the faculties If we The following It is difficult They must learn It has often been ABSTRACTION The habitual In this respect The slight Several writers The fact The formation SENSE OF BEAUTY BELIEF IN GOD The feeling Comparison Of The Mental Powers Of Man And The Lower Animals-continued It may be SOCIABILITY It is certain Besides love It has often Of the various Every one will THE MORE ENDURING But it appears Man from the activity The nature When the question The above view As during It was assumed As man advances The highest possible SUMMARY OF THE LAST On The Development Of The Intellectual And Moral Faculties During Primeval And Civilised Times It deserves notice Turning They certainly feel NATURAL SELECTION Man accumulates Primogeniture In regard to A most important It was established Who can positively There is apparently ON THE EVIDENCE On The Affinities And Genealogy Of Man They store up We can further In an early part It must not be The anthropomorphous We are LOWER STAGES Nevertheless The early progenitors There is one other It may The most ancient On The Races Of Man This general similarity Our naturalist would Our supposed Even if it On the other side But the most The choice of terms It is however This is shewn ON THE EXTINCTION Man can long When Tasmania was The result seems We here see From information A much more We can see In some cases An argument That the immunity With the lower animals Consequently Although with our present Nor can the differences NOTE ON THE RESEMBLANCES There remains A character which So far as the structure The final results Principles Of Sexual Selection In some weevil beetles When the two sexes No doubt this Our difficulty in regard In the converse POLYGAMY The adult male The Gallinaceae exhibit THE MALE GENERALLY MORE MODIFIED THAN THE FEMALE We are naturally led to The cause of the greater It may be suggested LAWS OF INHERITANCE This tendency The sexes of the pigeon Why certain characters But there is here room In several kinds The male and female In the various domestic SUMMARY AND CONCLUDING REMARKS As variations which give SUPPLEMENT ON THE PROPORTIONAL NUMBERS OF THE TWO SEXES IN ANIMALS BELONGING... It seems at first sight DOGS Of mammalia in a state The greatest number The males This latter circumstance The prices for both With reference to THE PROPORTION In the Sandwich Islands From the several Secondary Sexual Characters In The Lower Classes Of The Animal Kingdom THE SUB-KINGDOM OF THE MOLLUSCA Even in the highest class SUB-KINGDOM OF THE VERMES: CLASS, ANNELIDA (OR SEA-WORMS) In some It is not known Mr. Bate does not know CLASS, ARACHNIDA (SPIDERS) Westring has made Sexual Characters Of Insects The tarsi of the front-legs DIFFERENCE IN SIZE BETWEEN THE SEXES ORDER THYSANURA ORDER HOMOPTERA ORDER ORTHOPTERA (CRICKETS AND GRASSHOPPERS) We thus see that In most other Locustidae ORDER NEUROPTERA ORDER HYMENOPTERA That bees have a keen ORDER COLEOPTERA (BEETLES) The extraordinary size The cases hitherto The great mandibles Many Lamellicorns have Again in three species Insects continued Giard has always observed Another striking case was Hence it is this side Most Moths rest In some tropical species It is a singular fact The courtship In England we have On the whole In order to account No explanation BRIGHT COLOURS Thus the probability We are more especially Sexual Characters Of Fishes The same writer adds The salmon is not The young males resemble The structures as yet referred The males of Cantharus We have next It is impossible to doubt The males of certain AMPHIBIANS URODELA Frogs and toads offer OPHIDIA I well remember A Chinese species Sexual Characters Of Birds LAW OF BATTLE The males of many The peacock The season of love VOCAL AND INSTRUMENTAL MUSIC It is certain that All the common songsters It seems now well The voice of the common In the foregoing cases Lastly in several LOVE ANTICS AND DANCES DECORATION With the peacock even In an extinct variety I will mention only The difference however It appears at first If the male pin-tail It must be a grand sight To whichever side He who thinks that The male goldfinch The fine plumes Birds continued Some of the above UNPAIRED BIRDS The same observer informs These facts well deserve MENTAL QUALITIES OF BIRDS, AND THEIR TASTE FOR THE BEAUTIFUL Birds possess As male birds PREFERENCE FOR PARTICULAR MALES BY THE FEMALES What the charm may Turning now Female pigeons It is a remarkable fact With respect to female VARIABILITY OF BIRDS, AND ESPECIALLY OF THEIR SECONDARY SEXUAL CHARACTERS Individual differences Although the characters It is sometimes The colour also FORMATION AND VARIABILITY OF THE OCELLI OR EYE-LIKE SPOTS ON THE PLUMAGE OF BIRDS By what further steps If we admit the principle The tail-feathers ARGUS PHEASANT I will next describe I have here given There still remains The male besides Birds continued 2 The extreme importance With fowls variations As bright colours When the sexes of birds The vocal organs In these two latter cases There is in the first The female Horn-bill This way of viewing With parrots It is not probable The laws of inheritance These cases must not be Birds continued 3 In some closely-allied RULES OR CLASSES OF CASES In some species of Dacelo In some analogous cases Although the females It should be observed In addition to the effects Formerly when I was WHEN THE ADULT FEMALE IS MORE CONSPICUOUS THAN THE ADULT MALE, THE YOUNG... The females of the three Turning now to the ostrich He is larger and more WHEN THE ADULT MALE RESEMBLES THE ADULT FEMALE, THE YOUNG OF BOTH SEXES HAVE A PECULIAR... The brilliant or conspicuous It may be worth while When the period of moulting WHEN THE ADULTS OF BOTH SEXES HAVE A DISTINCT WINTER AND SUMMER PLUMAGE I will make only In Aithurus polytmus ON THE COLOUR OF THE PLUMAGE IN RELATION TO PROTECTION In all parts of the world In the same manner As sexual selection I infer that this would be SUMMARY OF THE FOUR CHAPTERS ON BIRDS That they are not due In one small and curious SUMMARY OF THE FOUR CHAPTERS ON BIRDS On these hills there were As the reindeer As with the reindeer The effects of castration Although tusks and horns With antelopes As I felt much perplexed Besides enabling In Antilope montana With mammals The males almost exclusively In the wart-hog It appeared to me probable Then his manner changes It appears to be rare Sexual Characters Of Mammals 2 The voice of the adult male ODOUR DEVELOPMENT OF THE HAIR Now what must we conclude COLOUR OF THE HAIR AND OF THE NAKED SKIN With Ruminants sexual I may here mention Lastly in the baboon family Quadrupeds manifestly take EQUAL TRANSMISSION OF ORNAMENTAL CHARACTERS TO BOTH SEXES Although we must admit We have seen in a former This may be the true SUMMARY Secondary Sexual Characters Of Man The children In regard to the general Throughout the great Other similar facts The chief distinction VOICE AND MUSICAL POWERS Hence when the primeval A critic has asked Human song is generally Music arouses So little is known In one part of Africa In Central Africa Having made these He once In several of the tribes We thus see how As with the skull Secondary Sexual Characters Of Man 2 Here is a more curious The indirect evidence Nevertheless from INFANTICIDE EARLY BETROTHALS AND SLAVERY OF WOMEN THE MANNER OF ACTION With animals in a state Turning to Africa ABSENCE OF HAIR ON THE BODY Some races are much more Nor must we overlook We may conclude General Summary And Conclusion We may feel assured By considering The development of the moral The moral faculties I am aware Sexual selection depends Bearing in mind The reader who has The main conclusion In this article there The fact that it is only back to top
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