Darwin Day 2009Bicentennial CelebrationCape Breton University

Darwin

The Other Darwins

The Other Darwins

• 8-43 Zoology of the Voyage of H.M.S. Beagle

• 1839 Voyage of the Beagle

• 1842 The Structure and Distribution of Coral Reefs

• 1844 Geological Observations of Volcanic Islands

• 1846 Geological Observations of South America

• 1851-54 Monograph on Cirripedia (Barnacles) 4 vols.

• 1859 On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life

• 1862 On the Various Contrivances by which British and Foreign Orchids are Fertilised by Insects

• 1868 Variation of Animals and Plants Under Domestication

• 1871 The Descent of Man, and Selection in Relation to Sex

• 1872 The Expression of Emotions in Man and Animals

• 1875 Movement and Habits of Climbing Plants

• 1875 Insectivorous Plants

• 1876 The Effects of Cross and Self-Fertilisation in the Vegetable Kingdom

• 1877 The Different Forms of Flowers on Plants of the Same Species

• 1879 The Life of Erasmus Darwin

• 1880 The Power of Movement in Plants

• 1881 The 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

Zoology Museum, Cambridge

Zoology Museum, Cambridge

Zoology Museum, Cambridge

http://gregladen.com/wordpress/wp-content/graphics/DisruptiveSelection.jpg

Galapagos Islands

http://darwin-online.org.uk/EditorialIntroductions/Richmond_cirripedia.html

Barnacles: anatomy, morphology, taxonomy, developmental history

http://www.hps.cam.ac.uk/whipple/explore/microscopes/darwinsmicroscopes/

Variation of Animals and Plants Under Domestication 1868

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 OnlineComplete Works

http://darwin-online.org.uk/

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Happy Birthday Charlie!

Thank You