Between 1873 and 1882, the life and work of Charles Darwin from Insectivorous Plants to Worms continued with investigations into carnivorous and climbing plants that had begun with his previous work. Worries about family illnesses contributed to his interest in Galton's ideas of "hereditary improvement" (which would later be called eugenics). He continued to help with the work of Downe parish church and associated village amenities, despite problems with control being seized by a new High Church vicar, and he remained on good terms with the Church's patron, the Revd. John Brodie Innes. There was continuing interest in Charles Darwin's views on religion, but he remained reticent.

Despite repeated problems and delays caused by Charles Darwin's illness, his work on evolution-related experiments and investigations continued, with the production of books on the movement of climbing plants, insectivorous plants, the effects of cross and self fertilisation of plants, different forms of flowers on plants of the same species, and The Power of Movement in Plants. His ideas on evolution were increasingly accepted in scientific circles despite some bitter disputes, and he received numerous honours. As well as writing out his own autobiography for his family, he wrote an introduction to a biography of his grandfather Erasmus Darwin. In his last book, he returned to the effect earthworms have on soil formation.

He died in Downe, Kent, England, on 19 April 1882. He had expected to be buried in St Mary's churchyard at Downe, but at the request of Darwin's colleagues, William Spottiswoode (President of the Royal Society) arranged for Darwin to be given a major ceremonial funeral and buried in Westminster Abbey, close to John Herschel and Isaac Newton.

Background In the aftermath of the publication of On the Origin of Species through Natural Selection in 1859, Charles Darwin's allies Charles Lyell, Joseph Dalton Hooker, Thomas Huxley, Alfred Russel Wallace and Asa Gray in America worked to spread acceptance of its ideas despite difficulty in coming to terms with natural selection and man's descent from animals.

Darwin's research and experiments on plants and animals continued, and his extensive writings countered the arguments against evolution, particularly those put by the Duke of Argyll and St George Mivart.

Family matters, eugenics Darwin's sons George and Horace were ill and arrived home at Christmas 1872 for nursing. Darwin turned from his insectivorous plants to a more leisurely update of his monograph on climbing plants.

He was intrigued by Galton's latest "hereditary improvement" ideas (which would be called Eugenics after 1883), proposing that society should breed out mental and physical disability and improve the nation's stock by introducing "a sentiment of caste among those who are naturally gifted". Families would be registered and incentives offered so that the best children chosen from each "superior family" would marry and reproduce. Darwin, aware that of his brood only William had good health, had already dismissed the aims as too "utopian" in the Descent of Man. He thought these new proposals impractical if voluntary and politically horrifying if enforced by compulsory registration, even were they the "sole feasible" way of "improving the human race". He felt it better simply to publicise the "all-important principle of inheritance" and let people pursue the "grand" objective for themselves. In any case it was too late for his own infirm offspring.

Huxley was also ill, needing a rest and harried by a neighbour suing over a damp basement. The X Club (a dining club formed in November 1864 to support the evolutionary "new reformation" in naturalism, including Huxley, Hooker, John Tyndall, Busk, Spencer, and Spottiswoode) raised a £2,000 collection for him, primed by Darwin with £300. Darwin's spirits were again downcast when Lyell's wife died.

In June 1873 Darwin resumed work on his insectivorous plants, with some distractions as his wife Emma took care of the seven Huxley children while Huxley and Hooker went on holiday to the continent. Having young children in the house was like the 1850s again.

Parish conflict A new reforming High Church vicar, the Revd. George Sketchley Ffinden, had been imposing his ideas since taking over the parish in November 1871. Darwin had to write to the patron, John Brodie Innes, explaining what had upset the parishioners. Ffinden now usurped control of the village school which had been run for years by a committee of Darwin, Lubbock and the incumbent priest, with a "conscience clause" which protected the children from Anglican indoctrination. Ffinden began lessons on the Thirty-nine Articles of the Anglican faith, an unwelcome move from the point of view of the Baptists in the village. Darwin withdrew from the committee and cut his annual donation to the church, but continued with the Friendly Society work.

Hensleigh Wedgwood's daughter Effie had married Thomas "Theta" Farrer in May, and on 5 August 1873 the Darwins went to visit them for a few days. They arrived to hear that a fortnight previously the Farrer's servants had been called to an accident. Earl Granville's riding companion Samuel Wilberforce had been killed in a fall from his horse, and was subsequently laid out in state for two days in the Farrer's drawing room. Although an opponent of the Origin, Wilberforce had always thought Darwin a "capital fellow".

Pause At home, a heated discussion with Hooker ended with Darwin lying in bed with his memory gone and "a severe shock continually passing through my brain". Emma feared an epileptic fit, but the doctor put him on a diet and in September he returned to work on insectivorous plants. His correspondence continued, funding worthy projects and acknowledging countless gifts including Das Kapital from "a sincere admirer", Karl Marx, which Darwin had difficulty in following, but hoped that both their efforts towards "the extension of knowledge... [would] add to the happiness of mankind".

Frank struggled with his medical studies, and after finishing his thesis on animal tissues he was to assist with plant tissues at Downe. George's legal career had been ended by stomach illness and he had spent two years going to spas. He began writing topical essays, the first in the Contemporary Review on Galton. His latest essay boldly dismissed prayer, divine morals and "future rewards & punishments". Darwin urged him not to publish it for some months, and "to pause, pause, pause."

Fiske During a visit in November 1873 the Harvard philosopher John Fiske amused the X Club with his story of a cockney in New York warning him "What, that 'orrid hold hinfidel 'Uxley? Why, we don't think hanythink of 'im in Hingland! We think 'e's 'orrid!", himself writing that "I am quite wild over Huxley... what a pleasure to meet such a clean-cut mind! It is like Saladin's sword which cut through the cushion." and "Old Darwin is the dearest, sweetest, loveliest old grandpa that ever was. And on the whole he impresses me with his strength more than any man I have seen yet. There is a charming kind of quiet strength about him and about everything he does. He isn't burning and eager like Huxley. He has a mild blue eye, and is the gentlest of gentle old fellows. [His] long white hair and enormous white beard [made him] very picturesque... guileless simplicity... I am afraid I shall never see him again, for his health is very bad. Of all my days in England I prize today the most."

New edition of The Descent of Man Darwin tackled a new edition of the Descent of Man, and offered the self-financing Wallace the work of assisting him. Wallace quoted seven shillings an hour, mentioning that he was "dipping into politics" proposing nationalisation of coal mining. Emma found out and had the task given to their son George, so Darwin had to write apologetically to Wallace, adding "I hope to Heaven that politics will not replace natural science."

Parish reading room For two years, Emma had organised a winter reading room in the local school for local labourers, who subscribed a penny a week to smoke and play games, with "Respectable newspapers & a few books... & a respectable housekeeper..there every evening to maintain decorum." This was a common facility to save men from "resorting to the public house". In 1873 the Revd. Ffinden opposed it, as "Coffee drinking, bagatelle & other games" had been allowed and "the effects of tobacco smoke & spitting" were seen when the children returned in the morning. Emma got Darwin to get the approval of the education inspectorate in London, and just before Christmas 1873 the Darwins and Lubbocks got the agreement of the school committee, offering to pay for any repairs needed "to afford every possible opportunity to the working class for self improvement & amusement". A furious Ffinden huffed that it was "quite out of order" for the Darwins to have gone to the inspectorate behind his back. In the autumn of 1874 Darwin let off steam at Ffinden and formally resigned from the school committee on health grounds.

Spiritualism Francis Galton was attracted to the recent spiritualism movement. On a visit to London in January 1874 Darwin attended a séance at Erasmus's house with relatives including Hensleigh Wedgwood, as well as Huxley. George had hired the medium Charles Williams, and they sat round the table in the dark, but as the room grew stuffy Darwin went upstairs to lie down, missing the show, with sparks, sounds and the table rising above their heads. While Galton thought it a "good séance", Darwin later wrote "The Lord have mercy on us all, if we have to believe such rubbish" and told Emma that it was "all imposture" and "it would take an enormous weight of evidence" to convince him otherwise. At a second séance Huxley and George found that Williams was nothing but a cheat, to Darwin's relief. Emma told Hensleigh's daughter Snow that Charles "won't believe it, he dislikes the thought of it so much". Snow remembered that her uncle "used to look upon it as a great weakness if one allowed wish to influence belief" and when Emma said that "he does not always act up to his principles" Snow thought that was "what one means by bigotry", to which Emma said "Oh yes, he is a regular bigot".

New edition of Descent Darwin continued painfully rewriting his books with the help of Henrietta and George, incorporating ideas from Galton and new anecdotes. He bought from Lubbock the Sandwalk he had been renting for years, but the price seemed excessive and affected their friendship. News of a dispute involving the removal of George Bentham from presidency of the Linnean Society, allegedly spurred on by Owen, led Darwin to write "What a demon on earth Owen is. I do hate him". With Huxley's assistance he updated the Descent on ape-brain inheritance, which Huxley thought "pounds the enemy into a jelly... though none but anatomists" would know it.

The manuscript was completed in April 1874, and the publisher John Murray planned a 12 shilling half-price edition to replicate the success of the cheap revision of the Origin. Darwin left the proofs to George, and turned again to Plants. The new edition was published on 13 November with the price cut to the bone at 9 shillings.

Insectivorous plants