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Export to Excel select * from TheOriginOfSpecies where chapter = 'Chapter 6' order by ordinal ( Row)
60 Chapter 6 Difficulties on Theory Difficulties on the theory of descent with modification - Transitions - Absence or rarity of transitional varieties - Transitions in habits of life - Diversified habits in the same species - Species with Habits Widely Diffferent from those of their Allies - Organs of extreme perfection - Means of transition - Cases of difficulty - Natura non facit saltum - Organs of small importance - Organs not in all cases absolutely perfect - Summary: The law of Unity of Type and of the Conditions of Existence embraced by the theory of Natural Selection

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