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- Abbe Prevost - MANON LESCAUT
- Alcott, Louisa M. - LITTLE MEN
- Alcott, Louisa M. - LITTLE WOMEN
- Alcott, Louisa May - JACK AND JILL
- Austen, Jane - EMMA
- Austen, Jane - MANSFIELD PARK
- Austen, Jane - NORTHANGER ABBEY
- Austen, Jane - PERSUASION
- Austen, Jane - PRIDE AND PREJUDICE
- Austen, Jane - SENSE AND SENSIBILITY
- Ballantyne, R. B. - THE CORAL ISLAND
- Balzac, Honore de - EUGENIE GRANDET
- Balzac, Honore de - FATHER GORIOT
- Baroness Orczy - THE SCARLET PIMPERNEL
- Barrie, James M. - PETER PAN
- Blackmore, R. D. - LORNA DOONE
- Boccaccio, Giovanni - DECAMERONE
- Bronte, Charlotte - JANE EYRE
- Bronte, Emily - WUTHERING HEIGHTS
- Buchan, John - PRESTER JOHN
- Buchan, John - THE THIRTY-NINE STEPS
- Bunyan, John - THE PILGRIM'S PROGRESS
- Burnett, Frances H. - A LITTLE PRINCESS
- Burnett, Frances H. - LITTLE LORD FAUNTLEROY
- Burnett, Frances H. - THE SECRET GARDEN
- Butler, Samuel - EREWHON
- Carroll, Lewis - ALICE IN WONDERLAND
- Carroll, Lewis - THROUGH THE LOOKING-GLASS
- Chaucer, Geoffrey - THE CANTERBURY TALES
- Chesterton, G. K. - A SHORT HISTORY OF ENGLAND
- Chesterton, G. K. - THE INNOCENCE OF FATHER BROWN
- Chesterton, G. K. - THE MAN WHO KNEW TOO MUCH
- Chesterton, G. K. - THE MAN WHO WAS THURSDAY
- Chesterton, G. K. - THE WISDOM OF FATHER BROWN
- Childers, Erskine - THE RIDDLE OF THE SANDS
- Christie, Agatha - THE MYSTERIOUSAFFAIR AT STYLES
- Christie, Agatha - THE SECRET ADVERSARY
- Collins, Wilkie - THE MOONSTONE
- Collodi, Carlo - THE ADVENTURES OF PINOCCHIO
- Conan Doyle, Arthur - A STUDY IN SCARLET
- Conan Doyle, Arthur - MEMOIRS OF SHERLOCK HOLMES
- Conan Doyle, Arthur - THE ADVENTURES OF SHERLOCK HOLMES
- Conan Doyle, Arthur - THE HOUND OF THE BASKERVILLES
- Conan Doyle, Arthur - THE SIGN OF THE FOUR
- Conrad, Joseph - HEART OF DARKNESS
- Conrad, Joseph - LORD JIM
- Conrad, Joseph - NOSTROMO
- Conrad, Joseph - THE NIGGER OF THE NARCISSUS
- Conrad, Joseph - TYPHOON
- Darwin, Charles - THE AUTOBIOGRAPHY OF CHARLES DARWIN
- Darwin, Charles - THE ORIGIN OF SPECIES
- Defoe, Daniel - MOLL FLANDERS
- Defoe, Daniel - ROBINSON CRUSOE
- Dickens, Charles - A CHRISTMAS CAROL
- Dickens, Charles - A TALE OF TWO CITIES
- Dickens, Charles - BLEAK HOUSE
- Dickens, Charles - DAVID COPPERFIELD
- Dickens, Charles - GREAT EXPECTATIONS
- Dickens, Charles - HARD TIMES
- Dickens, Charles - LITTLE DORRIT
- Dickens, Charles - MARTIN CHUZZLEWIT
- Dickens, Charles - OLIVER TWIST
- Dickens, Charles - PICTURES FROM ITALY
- Dickens, Charles - THE MYSTERY OF EDWIN DROOD
- Dickens, Charles - THE PICKWICK PAPERS
- Dostoevsky, Fyodor - CRIME AND PUNISHMENT
- Dostoyevsky, Fyodor - THE BROTHERS KARAMAZOV
- Du Maurier, George - TRILBY
- Dumas, Alexandre - THE COUNT OF MONTE CRISTO
- Dumas, Alexandre - THE MAN IN THE IRON MASK
- Dumas, Alexandre - THE THREE MUSKETEERS
- Eliot, George - ADAM BEDE
- Eliot, George - DANIEL DERONDA
- Eliot, George - MIDDLEMARCH
- Eliot, George - SILAS MARNER
- Eliot, George - THE MILL ON THE FLOSS
- Equiano - AUTOBIOGRAPHY
- Esopo - FABLES
- Fenimore Cooper, James - THE LAST OF THE MOHICANS
- Fielding, Henry - TOM JONES
- Flaubert, Gustave - MADAME BOVARY
- Frank Baum, L. - THE WONDERFUL WIZARD OF OZ
- Frazer, James George - THE GOLDEN BOUGH
- Freud, Sigmund - DREAM PSYCHOLOGY
- Galsworthy, John - THE FORSYTE SAGA
- Gilbert and Sullivan - PLAYS
- Gogol - DEAD SOULS
- Goldsmith, Oliver - SHE STOOPS TO CONQUER
- Goldsmith, Oliver - THE VICAR OF WAKEFIELD
- Grahame, Kenneth - THE WIND IN THE WILLOWS
- Hardy, Thomas - FAR FROM THE MADDING CROWD
- Hardy, Thomas - JUDE THE OBSCURE
- Hardy, Thomas - TESS OF THE D'URBERVILLES
- Hardy, Thomas - THE MAYOR OF CASTERBRIDGE
- Hawthorne, Nathaniel - THE SCARLET LETTER
- Hobbes, Thomas - LEVIATHAN
- Hope, Anthony - THE PRISONER OF ZENDA
- Hornung, E. W. - MR. JUSTICE RAFFLES
- Ibsen, Henrik - AN ENEMY OF THE PEOPLE
- Ibsen, Henrik - CASA DI BAMBOLA
- Ibsen, Henrik - GHOSTS
- Ibsen, Henrik - HEDDA GABLER
- Ibsen, Henrik - JOHN GABRIEL BORKMAN
- Ibsen, Henrik - PILLARS OF SOCIETY
- Ibsen, Henrik - ROSMERHOLM
- Ibsen, Henrik - THE LADY FROM THE SEA
- Ibsen, Henrik - THE MASTER BUILDER
- Ibsen, Henrik - WHEN WE DEAD AWAKEN
- Irving, Washington - THE LEGEND OF SLEEPY HOLLOW
- James, Henry - ITALIAN HOURS
- James, Henry - THE BOSTONIANS
- James, Henry - THE PORTRAIT OF A LADY
- James, Henry - THE TURN OF THE SCREW
- James, Henry - WASHINGTON SQUARE
- Jerome, Jerome K. - THREE MEN IN A BOAT
- Jerome, Jerome K. - THREE MEN ON THE BUMMEL
- Jonson, Ben - THE ALCHEMIST
- Jonson, Ben - VOLPONE
- Joyce, James - A PORTRAIT OF THE ARTIST AS A YOUNG MAN
- Joyce, James - DUBLINERS
- Joyce, James - ULYSSES
- Kingsley, Charles - THE WATER-BABIES
- Kipling, Rudyard - CAPTAINS COURAGEOUS
- Kipling, Rudyard - INDIAN TALES
- Kipling, Rudyard - JUST SO STORIES
- Kipling, Rudyard - KIM
- Kipling, Rudyard - THE JUNGLE BOOK
- Kipling, Rudyard - THE MAN WHO WOULD BE KING
- Kipling, Rudyard - THE SECOND JUNGLE BOOK
- Lawrence, D. H - THE RAINBOW
- Lawrence, D. H - THE WHITE PEACOCK
- Lawrence, D. H - TWILIGHT IN ITALY
- Lawrence, D. H. - SONS AND LOVERS
- Lawrence, D. H. - WOMEN IN LOVE
- Lear, Edward - BOOK OF NONSENSE
- Lear, Edward - LAUGHABLE LYRICS
- Lear, Edward - MORE NONSENSE
- Lear, Edward - NONSENSE SONG
- London, Jack - MARTIN EDEN
- London, Jack - THE CALL OF THE WILD
- London, Jack - WHITE FANG
- Malthus, Thomas - PRINCIPLE OF POPULATION
- Marryat, Captain - THE CHILDREN OF THE NEW FOREST
- Marx, Karl - THE COMMUNIST MANIFESTO
- Mary, Charles and - TALES FROM SHAKESPEARE
- Melville, Hermann - MOBY DICK
- Melville, Hermann - TYPEE
- Mrs. Beeton - THE BOOK OF HOUSEHOLD MANAGEMENT
- Nesbit, E. - FIVE CHILDREN AND IT
- Nesbit, E. - THE PHOENIX AND THE CARPET
- Nesbit, E. - THE RAILWAY CHILDREN
- Nesbit, E. - THE STORY OF THE AMULET
- Pascal, Blaise - PENSEES
- Pellico, Silvio - LE MIE PRIGIONI
- Poe, Edgar A. - THE FALL OF THE HOUSE OF USHER
- Richardson, Samuel - PAMELA
- Rider Haggard, H. - ALLAN QUATERMAIN
- Rider Haggard, H. - KING SOLOMON'S MINES
- Schopenhauer, Arthur - THE ART OF CONTROVERSY
- Scott, Walter - IVANHOE
- Scott, Walter - QUENTIN DURWARD
- Scott, Walter - ROB ROY
- Scott, Walter - THE BRIDE OF LAMMERMOOR
- Scott, Walter - WAVERLEY
- Sewell, Anna - BLACK BEAUTY
- Shelley, Mary - FRANKENSTEIN
- Sheridan, Richard B. - THE SCHOOL FOR SCANDAL
- Sienkiewicz, Henryk - QUO VADIS
- Sterne, Laurence - A SENTIMENTAL JOURNEY
- Sterne, Laurence - TRISTRAM SHANDY
- Stevenson, Robert Louis - KIDNAPPED
- Stevenson, Robert Louis - THE BLACK ARROW
- Stevenson, Robert Louis - THE MASTER OF BALLANTRAE
- Stevenson, Robert Louis - THE STRANGE CASE OF DR. JEKYLL AND MR. HYDE
- Stevenson, Robert Louis - TREASURE ISLAND
- Stoker, Bram - DRACULA
- Strindberg, August - LUCKY PEHR
- Strindberg, August - MASTER OLOF
- Strindberg, August - THE RED ROOM
- Strindberg, August - THE ROAD TO DAMASCUS
- Strindberg, August - THERE ARE CRIMES AND CRIMES
- Swift, Jonathan - A MODEST PROPOSAL
- Swift, Jonathan - A TALE OF A TUB
- Swift, Jonathan - GULLIVER'S TRAVELS
- Thackeray, William - BARRY LYNDON
- Thackeray, William - VANITY FAIR
- Tolstoi, Lev - WAR AND PEACE
- Tolstoy, Leo - ANNA KARENINA
- Tolstoy, Leo - WAR AND PEACE
- Trollope, Anthony - BARCHESTER TOWERS
- Trollope, Anthony - THE WARDEN
- Twain, Mark - THE ADVENTURES OF HUCKLEBERRY FINN
- Twain, Mark - THE ADVENTURES OF TOM SAWYER
- Twain, Mark - THE PRINCE AND THE PAUPER
- Verne, Jules - 20000 LEAGUES UNDER THE SEAS
- Verne, Jules - A JOURNEY TO THE CENTRE OF THE EARTH
- Verne, Jules - ALL AROUND THE MOON
- Verne, Jules - AROUND THE WORLD IN 80 DAYS
- Verne, Jules - FIVE WEEKS IN A BALLOON
- Verne, Jules - MICHAEL STROGOFF
- Verne, Jules - THE MYSTERIOUS ISLAND
- Wallace, Edgar - SANDERS OF THE RIVER
- Wallace, Edgar - THE DAFFODIL MYSTERY
- Wallace, Lew - BEN HUR
- Wells, H. G. - KIPPS
- Wells, H. G. - THE INVISIBLE MAN
- Wells, H. G. - THE WAR OF THE WORLDS
- Wilde, Oscar - A WOMAN OF NO IMPORTANCE
- Wilde, Oscar - AN IDEAL HUSBAND
- Wilde, Oscar - DE PROFUNDIS
- Wilde, Oscar - LADY WINDERMERE'S FAN
- Wilde, Oscar - THE CANTERVILLE GHOST
- Wilde, Oscar - THE HAPPY PRINCE AND OTHER TALES
- Wilde, Oscar - THE IMPORTANCE OF BEING EARNEST
- Wilde, Oscar - THE PICTURE OF DORIAN GREY
- Woolf, Virgina - THE VOYAGE OUT
- Woolf, Virgina - NIGHT AND DAY
- Woolf, Virginia - LA STANZA DI JACOB
- Woolf, Virginia - MONDAY OR TUESDAY
- Yeats, William Butler - THE COUNTESS CATHLEEN
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<<< - >>> been cultivated, and which have varied during all ages under the most
different climates and treatment, we are driven to conclude that this
great variability is due to our domestic productions having been raised
under conditions of life not so uniform as, and somewhat different from,
those to which the parent species had been exposed under nature. There
is, also, some probability in the view propounded by Andrew Knight, that
this variability may be partly connected with excess of food. It seems
clear that organic beings must be exposed during several generations to
new conditions to cause any great amount of variation; and that, when
the organisation has once begun to vary, it generally continues varying
for many generations. No case is on record of a variable organism
ceasing to vary under cultivation. Our oldest cultivated plants, such
as wheat, still yield new varieties: our oldest domesticated animals are
still capable of rapid improvement or modification.
As far as I am able to judge, after long attending to the subject, the
conditions of life appear to act in two ways--directly on the whole
organisation or on certain parts alone and in directly by affecting the
reproductive system. With respect to the direct action, we must bear in
mind that in every case, as Professor Weismann has lately insisted,
and as I have incidently shown in my work on "Variation under
Domestication," there are two factors: namely, the nature of the
organism and the nature of the conditions. The former seems to be much
the more important; for nearly similar variations sometimes arise under,
as far as we can judge, dissimilar conditions; and, on the other hand,
dissimilar variations arise under conditions which appear to be
nearly uniform. The effects on the offspring are either definite or in
definite. They may be considered as definite when all or nearly all the
offspring of individuals exposed to certain conditions during several
generations are modified in the same manner. It is extremely difficult
to come to any conclusion in regard to the extent of the changes which
have been thus definitely induced. There can, however, be little doubt
about many slight changes, such as size from the amount of food,
colour from the nature of the food, thickness of the skin and hair from
climate, etc. Each of the endless variations which we see in the plumage
of our fowls must have had some efficient cause; and if the same cause
were to act uniformly during a long series of generations on many
individuals, all probably would be modified in the same manner. Such
facts as the complex and extraordinary out growths which variably
follow from the insertion of a minute drop of poison by a gall-producing
insect, shows us what singular modifications might result in the case of
plants from a chemical change in the nature of the sap.
In definite variability is a much more common result of changed
conditions than definite variability, and has probably played a more
important part in the formation of our domestic races. We see in
definite variability in the endless slight peculiarities which
distinguish the individuals of the same species, and which cannot be
accounted for by inheritance from either parent or from some more remote
ancestor. Even strongly-marked differences occasionally appear in the
<<< - >>>
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