The Descent of Man and Selection in Relation to Sex
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
