Pliny the Elder
popular science
population theory
postal system
The Power of Movement in Plants (Darwin)
prehistoric man
Preliminary Discourse on the Study of Natural Philosophy (Herschel)
Priestley, Joseph
primates
Principles of Geology (Lyell)
priority of scientific discoveries
psychology
race issues
radioactivity
rainforest
religion
and agnosticism
and Catastrophism
Church of England
and Darwin’s marriage
Darwin’s theology education
and English education
and evolutionary theory
and FitzRoy
and fixation of species concept
and natural selection
and naturalism
and opposition to Darwin’s work
and population theory
and spiritualism
and the X Club
reproduction. See also population theory
Royal Botanic Gardens
Royal Medal
Royal Society
Salvador, Brazil
The Sceptical Chymist (Boyle)
scientific method
Scopes, John
Scopes trial
seasickness
Sedgwick, Adam
seeds
Shrewsbury, England
Shrewsbury Grammar School
sketching
slavery
smallpox
South America
species. See also evolution
Spencer, Herbert
spiritualism
St. Jago, Cape Verde Islands
Stephens, James Francis
Stone Age tools
sundews
survival of the fittest
Systema Naturae (Linnaeus)
A Tale of Two Cities (Dickens)
taxidermy
Tenerife, Canary Islands
Tennyson, Alfred
theology education
Thoreau, Henry David
Tierra del Fuego, Argentina
tiktaalik
Times (London)
tortoises
trade routes
transitional species
transmutation. See also adaptation
Transmutation Notebooks
Tree of Life drawing
Unitarians
United States
University of Chicago
vaccines
Valdivia, Chile
The Variation of Animals and Plants under Domestication (Darwin)
variation of species
Venus flytraps
Vestiges of the Natural History of Creation (Chambers)
Victoria, Queen of England
Victorian society
volcanoes
The Voyage of the Beagle (Darwin)
Wales
Wallace, Alfred Russel
water cures
wealth of Darwin family
wedding of Darwin
Wedgwood, Emma. See also Darwin, Emma (wife)
Wedgwood, Josiah
Westminster Abbey
White, Gilbert
Wilberforce, Samuel
worms
X Club
zoology
Zoönomia (Erasmus Darwin)