<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dcterms="http://purl.org/dc/terms/">
<rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1544">
    <dcterms:title><![CDATA[On the Tendency of Species to Form Varieties ]]></dcterms:title>
    <dcterms:subject><![CDATA[Theory of transmutation of species by natural cause.]]></dcterms:subject>
    <dcterms:description><![CDATA[The manuscript provides a brief and unpolished theory of species transmutation by natural cause. In the words of Darwin, a better abstract for his own theory could not have been drafted influencing Darwin and Wallace&#039;s collaboration in the following years. ]]></dcterms:description>
    <dcterms:creator><![CDATA[Alfred Wallace]]></dcterms:creator>
    <dcterms:source><![CDATA[The Complete Works of Charles Darwin Online]]></dcterms:source>
    <dcterms:date><![CDATA[1858]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1543">
    <dcterms:title><![CDATA[Vestiges on the Natural History of Creation ]]></dcterms:title>
    <dcterms:subject><![CDATA[Theories of geological and organic change over time.]]></dcterms:subject>
    <dcterms:description><![CDATA[This manuscript was published anonymously (later determined to be Chambers) and outlined an early but inaccurate theory of organic change over time that&#039;s greatest contribution was facilitating the start of discussion surrounding evolution by natural causes later in the 19th century. ]]></dcterms:description>
    <dcterms:creator><![CDATA[Robert Chambers]]></dcterms:creator>
    <dcterms:source><![CDATA[Yale Medical and Historical Library ]]></dcterms:source>
    <dcterms:date><![CDATA[1844]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1542">
    <dcterms:title><![CDATA[Principles of Geology (Volume 2)]]></dcterms:title>
    <dcterms:subject><![CDATA[Geology ]]></dcterms:subject>
    <dcterms:description><![CDATA[The volumes promoted a uniformitarian system of geological process which influenced Darwin’s understanding of organic change by natural selection to be a slow process occurring over vast spans of time.]]></dcterms:description>
    <dcterms:creator><![CDATA[Charles Lyell ]]></dcterms:creator>
    <dcterms:source><![CDATA[Burndy Library ]]></dcterms:source>
    <dcterms:date><![CDATA[1831]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1541">
    <dcterms:title><![CDATA[Principles of Geology (Volume 1)]]></dcterms:title>
    <dcterms:subject><![CDATA[Geology]]></dcterms:subject>
    <dcterms:description><![CDATA[The volumes promoted a uniformitarian system of geological process which influenced Darwin’s understanding of organic change by natural selection to be a slow process occurring over vast spans of time. ]]></dcterms:description>
    <dcterms:creator><![CDATA[Charles Lyell]]></dcterms:creator>
    <dcterms:source><![CDATA[Burndy Library ]]></dcterms:source>
    <dcterms:date><![CDATA[1830]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1540">
    <dcterms:title><![CDATA[On the Origin of Species by Means of Natural Selection ]]></dcterms:title>
    <dcterms:subject><![CDATA[Theory of evolution by natural selection. ]]></dcterms:subject>
    <dcterms:description><![CDATA[The manuscript of Charles Darwin&#039;s theory of evolution by means of natural selection with the table of content provided as a brief overview of the work. This conveys how expansive his theory was, indicated by the huge variation in topics and concepts included within his theory.]]></dcterms:description>
    <dcterms:creator><![CDATA[Charles Darwin]]></dcterms:creator>
    <dcterms:source><![CDATA[The Complete Works of Charles Darwin Online ]]></dcterms:source>
    <dcterms:date><![CDATA[1859]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1536">
    <dcterms:title><![CDATA[An Essay on the Principles of Population]]></dcterms:title>
    <dcterms:subject><![CDATA[The struggle for survival in human populations.]]></dcterms:subject>
    <dcterms:description><![CDATA[This manuscript outlined the difference in growth rates between human populations and agricultural production, stating that human populations increased exponentially while agricultural production followed an arithmetic growth rate, implying that agricultural production could not sustain the projected human growth identifying a struggle for survival within human populations. ]]></dcterms:description>
    <dcterms:creator><![CDATA[Thomas Malthus]]></dcterms:creator>
    <dcterms:source><![CDATA[Toronto University Library ]]></dcterms:source>
    <dcterms:date><![CDATA[1798 ]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1535">
    <dcterms:title><![CDATA[Letter from Thomas Huxley to Charles Darwin (including drawing)]]></dcterms:title>
    <dcterms:subject><![CDATA[Caricature of Charles Darwin and his relation to Christianity.]]></dcterms:subject>
    <dcterms:description><![CDATA[A letter sent from Thomas Huxley to Charles Darwin including a sketch (drawn by Huxley) of Darwin being worshiped as a bishop or saint.]]></dcterms:description>
    <dcterms:creator><![CDATA[Thomas Huxley ]]></dcterms:creator>
    <dcterms:source><![CDATA[The Bridgeman Art Library ]]></dcterms:source>
    <dcterms:date><![CDATA[July 20, 1868]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1534">
    <dcterms:title><![CDATA[Letter from John Henslow to Charles Darwin ]]></dcterms:title>
    <dcterms:subject><![CDATA[Charles Darwin&#039;s voyage on the H.M.S. Beagle.]]></dcterms:subject>
    <dcterms:description><![CDATA[John Henslow was made aware of a naturalist position available with Captain Robert FitzRoy aboard the H.MS. Beagle and offered it to Charles Darwin. ]]></dcterms:description>
    <dcterms:creator><![CDATA[John Henslow]]></dcterms:creator>
    <dcterms:source><![CDATA[Cambridge University Library ]]></dcterms:source>
    <dcterms:date><![CDATA[August 24, 1831]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1533">
    <dcterms:title><![CDATA[Letter from Joseph Hooker to Charles Darwin]]></dcterms:title>
    <dcterms:subject><![CDATA[Geological Survey. ]]></dcterms:subject>
    <dcterms:description><![CDATA[Objections to the methods and conclusions of Charles Darwin&#039;s geological survey work. ]]></dcterms:description>
    <dcterms:creator><![CDATA[Joseph Hooker]]></dcterms:creator>
    <dcterms:source><![CDATA[Cambridge University Library ]]></dcterms:source>
    <dcterms:date><![CDATA[March 18, 1850]]></dcterms:date>
</rdf:Description><rdf:Description rdf:about="https://digex.lib.uoguelph.ca/items/show/1532">
    <dcterms:title><![CDATA[Letter from Charles Darwin to Joseph Hooker ]]></dcterms:title>
    <dcterms:subject><![CDATA[Natural selection mechanism of Evolutionary theory]]></dcterms:subject>
    <dcterms:description><![CDATA[He thanks Joseph Hooker for his objections to the mechanism of natural selection and he will respond by sending a fair copy of his manuscript when written. ]]></dcterms:description>
    <dcterms:creator><![CDATA[Charles Darwin]]></dcterms:creator>
    <dcterms:source><![CDATA[Cambridge University Library ]]></dcterms:source>
    <dcterms:date><![CDATA[March 16, 1858]]></dcterms:date>
</rdf:Description></rdf:RDF>