Science - Biology
Free to read here, from Project Gutenberg.
On the Origin of Species By Means of Natural Selection
The Notebooks of Leonardo Da Vinci — Complete
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index
The Natural History of Pliny, Volume 3 (of 6)
Life and Letters of Charles Darwin — Volume 1
The Natural History of Pliny, Volume 5 (of 6)
More Letters of Charles Darwin — Volume 1
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)
The Origin of Species by Means of Natural Selection
An Introduction to Entomology: Vol. 3
The book of wonders
Pharmacographia
Fossil plants, Vol. 2
The Manual of the Botany of the Northern United States
Vegetable Teratology
Origin of Cultivated Plants
The Descent of Man, and Selection in Relation to Sex
The Voyage of the Beagle
Grundzüge der Paläontologie (Paläozoologie). 1. Abteilung: Invertebrata.
The Variation of Animals and Plants under Domestication
Flora von Deutschland
The Expression of the Emotions in Man and Animals
On Growth and Form
Identification of the Larger Fungi
The Evolution of Man
Micrographia
The Medicinal Plants of the Philippines
Clever Hans (The Horse of Mr. Von Osten)
Manual of the Trees of North America (Exclusive of Mexico) 2nd ed.
Form and Function: A Contribution to the History of Animal Morphology
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
A text-book of veterinary anatomy
On the Origin of Species by Means of Natural Selection
An Introduction to Entomology: Vol. 4
Letters of Asa Gray; Vol. 2
The Autobiography of Charles Darwin
Mysteries of Bee-keeping Explained
De afstamming van den mensch en de seksueele teeltkeus, deel 2 (van 2)
The Animal Parasites of Man
Outlines of Dairy Bacteriology, 8th edition
Explanation of Terms Used in Entomology
Herbal simples approved for modern uses of cure
De Wereld vóór de schepping van den mensch
The Story-book of Science
An Introduction to Entomology: Vol. 1
The Cambridge natural history, Vol. 01 (of 10)
Vestiges of the Natural History of Creation