Darwin Day 2009 Bicentennial Celebration Cape Breton University

Darwin

The Other Darwins

8-43Zoology of the Voyage of H.M.S. Beagle 1839Voyage of the Beagle 1842The Structure and Distribution of Coral Reefs 1844Geological Observations of Volcanic Islands 1846Geological Observations of South America Monograph on Cirripedia (Barnacles) 4 vols. 1859On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life 1862On the Various Contrivances by which British and Foreign Orchids are Fertilised by Insects 1868Variation of Animals and Plants Under Domestication 1871The Descent of Man, and Selection in Relation to Sex 1872The Expression of Emotions in Man and Animals 1875Movement and Habits of Climbing Plants 1875Insectivorous Plants 1876The Effects of Cross and Self-Fertilisation in the Vegetable Kingdom 1877The Different Forms of Flowers on Plants of the Same Species 1879The Life of Erasmus Darwin 1880The Power of Movement in Plants 1881The Formation of Vegetable Mould Through the Action of Worms

Cambridge University Library Darwin Archives and

Christ’s College, Cambridge

Department of Zoology, Cambridge

Zoology Museum, Cambridge

Galapagos Islands

Barnacles: anatomy, morphology, taxonomy, developmental history

Variation of Animals and Plants Under Domestication 1868

Movements and Habits of Climbing Plants 1875 Diagram showing the movement of the upper internodes of the common Pea, traced on a hemispherical glass and transferred to paper; reduced one-half in size. (Aug. 1st.)

Cross and Self-fertilization of Plants 1876

Insectivorous Plants 1875

Down House, Kent

Greenhouse, Down

Sundew plants (Drosera rotundifolia?)

Pitcher plants (Heliamphora ?)

The Formation of Vegetable Mould Through the Action of Worms 1881 In which we learn that worms are indifferent to the sounds of shouting, bassoons, and piano That the monoliths at Stonehenge are being slowly buried by worms That worms can turn over mould at an average rate of 5.6 mm/year And that in many parts of England nearly 10 tons of dry earth passes through their bodies annually!

Impact of Worms

Impact of worms Fig. 13. Subsidence of floor of Roman ruins, Silchester, Hampshire

The worm stone, Down House

“The plough is one of the most ancient and most valuable of man’s inventions; but long before he existed the land was in fact regularly ploughed by earth-worms.” C. Darwin

Sand Walk

Darwin Online Complete Works

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Happy Birthday Charlie! Thank You