Categories
- Antiques & Collectibles 13
- Architecture 36
- Art 48
- Bibles 22
- Biography & Autobiography 813
- Body, Mind & Spirit 141
- Business & Economics 28
- Children's Books 12
- Children's Fiction 9
- Computers 4
- Cooking 94
- Crafts & Hobbies 4
- Drama 346
- Education 46
- Family & Relationships 57
- Fiction 11826
- Games 19
- Gardening 17
- Health & Fitness 34
- History 1377
- House & Home 1
- Humor 147
- Juvenile Fiction 1873
- Juvenile Nonfiction 202
- Language Arts & Disciplines 88
- Law 16
- Literary Collections 686
- Literary Criticism 179
- Mathematics 13
- Medical 41
- Music 40
- Nature 179
- Non-Classifiable 1768
- Performing Arts 7
- Periodicals 1453
- Philosophy 64
- Photography 2
- Poetry 896
- Political Science 203
- Psychology 42
- Reference 154
- Religion 513
- Science 126
- Self-Help 83
- Social Science 81
- Sports & Recreation 34
- Study Aids 3
- Technology & Engineering 59
- Transportation 23
- Travel 463
- True Crime 29
Sort by:
by:
Charles Darwin
PREFACE. My duty, in acknowledging the great obligations under which I lie to many naturalists, affords me most sincere pleasure. I had originally intended to have described only a single abnormal Cirripede, from the shores of South America, and was led, for the sake of comparison, to examine the internal parts of as many genera as I could procure. Under these circumstances, Mr. J. E. Gray, in the most...
more...
by:
Charles Darwin
INTRODUCTION. The object of this work is not to describe all the many races of animals which have been domesticated by man, and of the plants which have been cultivated by him; even if I possessed the requisite knowledge, so gigantic an undertaking would be here superfluous. It is my intention to give under the head of each species only such facts as I have been able to collect or observe, showing the...
more...
by:
Charles Darwin
LETTER 378. J.D. HOOKER TO CHARLES DARWIN. Kew, January 20th, 1867. Prof. Miquel, of Utrecht, begs me to ask you for your carte, and offers his in return. I grieve to bother you on such a subject. I am sick and tired of this carte correspondence. I cannot conceive what Humboldt's Pyrenean violet is: no such is mentioned in Webb, and no alpine one at all. I am sorry I forgot to mention the stronger...
more...
by:
Charles Darwin
The subject of inheritance is an immense one, and has been treated by many authors. One work alone, 'De l'Hérédité Naturelle,' by Dr. Prosper Lucas, runs to the length of 1562 pages. We must confine ourselves to certain points which have an important bearing on the general subject of variation, both with domestic and natural productions. It is obvious that a variation which is not...
more...