TY  - BOOK
AU  - Darwin,Charles
AU  - Eliot,Charles William
TI  - The Harvard Classics, XI: The Origin of Species 
PY  - 1909///,
CY  - New York
PB  - P. F. Collier & Son
KW  - BIOLOGÍA
KW  - Tesauro de la Unesco
KW  - EVOLUCIÓN
KW  - SELECCIÓN NATURAL
N1  - With Introduction and Notes. - Includes index an glossary; Variation under Domestication - Variation under Nature - Struggle for Existence - Natural Selection; or the Survival of the Fittest - Laws of Variation - Difficulties of the Theory - Miscellaneous Objections to the Theory of Natural Selection - Instinct - Hybridism - On the Imperfection of the Geological Record - On the Geological Succession of Organic Beings - Geographical Distribution - Mutual Affinities of Organic Beings: Morphology: Embryology: Rudimentary Organs - Recapitulation and Conclusion
UR  - https://drive.google.com/file/d/1IEc4NhfpmVu06n8xvdseSI5MYtQO3ii3/view?usp=sharing
ER  -