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The Descent of Man and Selection in Relation to Sex, Vol. I
Charles Darwin
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Journal of Entomology and Zoology, Vol. 11, No. 1, March 1919
Various
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Animals of the Past
Frederic A. Lucas
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The Elements of Bacteriological Technique
J. W. H. Eyre
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The Minds and Manners of Wild Animals: A Book of Personal Observations
William T. Hornaday
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Zoonomia; Or, the Laws of Organic Life, Vol. II
Erasmus Darwin
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Haeckel : his life and work
Wilhelm Bölsche
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Omphalos: An Attempt to Untie the Geological Knot
Philip Henry Gosse
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Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala
William Edward Duellman
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Response in the Living and Non-Living
Jagadis Chandra Bose
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Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico
E. Raymond Hall
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Botany: The Science of Plant Life
Norman Taylor
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The Elements of Botany, For Beginners and For Schools
Asa Gray
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Text Book of Biology, Part 1: Vertebrata
H. G. Wells
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Biology and Its Makers
William A. Locy
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The Life of Crustacea
W. T. Calman
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A Text-book of Entomology
A. S. Packard
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An Introduction to Entomology: Vol. 1
William Kirby and William Spence
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The Variation of Animals and Plants Under Domestication, Vol. I.
Charles Darwin
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Fungi: Their Nature and Uses
M. C. Cooke
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Insectivorous Plants
Charles Darwin
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Handbook of the Trees of New England
Henry M. Brooks and Lorin Low Dame
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Being Well-Born: An Introduction to Eugenics
Michael F. Guyer
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Luck, or Cunning, as the Main Means of Organic Modification
Samuel Butler
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Birds in Town & Village
W. H. Hudson
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