The Origin of Species · Character

Geoffroy Saint-Hilaire

A French naturalist who studied embryology and unity of type.

minor

Also known as Geoffroy Saint - Hilaire, Geoffroy, M. Isidore Geoffroy Saint - Hilaire, Isidore Geoffroy Saint - Hilaire

First appearance: An Historical Sketch of the Progress of Opinion on the Origin of Species, Previously to the Publication of the First Edition of This Work

Geoffroy Saint-Hilaire shows up with force in An Historical Sketch of the Progress of Opinion on the Origin of Species, Previously to the Publication of the First Edition of This Work. The page is where that presence becomes real.

Suspected species were degenerations of a type; relied on conditions of life as cause of change.

In the storyAn Historical Sketch of the Progress of Opinion on the Origin of Species, Previously to the Publication of the First Edition of This WorkOpen this moment free

Geoffroy Saint-Hilaire first appears in 0001 an historical sketch of the progress of opinion on the origin of species previously to the publication of the first edition of this work.

In An Historical Sketch of the Progress of Opinion on the Origin of Species, Previously to the Publication of the First Edition of This Work: Suspected species were degenerations of a type; relied on conditions of life as cause of change.

See Geoffroy Saint-Hilaire in An Historical Sketch of the Progress of Opinion on the Origin of Species, Previously to the Publication of the First Edition of This Work Book page

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Story tension across the book — this chapter sits in Exposition.

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Breaking point
Aftermath
Closing

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Geoffroy Saint-Hilaire appears across 9 companion beats. Open any chapter in the free preview to see the notes beside the text.

An Historical Sketch of the Progress of Opinion on the Origin of Species, Previously to the Publication of the First Edition of This Work
Suspected species were degenerations of a type; relied on conditions of life as cause of change.
Effects of Habit and of the Use or Disuse of Parts; Correlated Variation; Inheritance
Cited for his work on monstrosities and correlations between distinct parts.
Circumstances Favourable to Man’s Power of Selection
Cited for proving that domestic varieties differ more in size than distinct species of the same genus.
Correlated Variation
Remarked on the frequent coexistence of certain malconformations without assignable reason.
Compensation and Economy of Growth
Proposed the law of compensation or balancement of growth alongside Goethe.
Multiple, Rudimentary, and Lowly-Organised Structures Are Variable
Cited for the rule that multiple repeated parts are variable in number and structure.
Specific Characters More Variable Than Generic Characters
Cited regarding the correlation between normal differences among species and the frequency of anomalies in individuals.
Morphology
Noted for emphasizing the high importance of relative position or connection in homologous parts.
Endnotes
Referenced for his history of opinion on Buffon's conclusions and for coming to similar conclusions on the origin of species.

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See Geoffroy Saint-Hilaire in An Historical Sketch of the Progress of Opinion on the Origin of Species, Previously to the Publication of the First Edition of This Work