"The Formation of Vegetable Mould Through the Action of Worms" by Charles Darwin. Published by Good Press. Good Press publishes a wide range of titles that encompasses every genre. From well-known classics & literary fiction and non-fiction to forgotten−or yet undiscovered gems−of world literature, we issue the books that need to be read. Each Good Press edition has been meticulously edited and formatted to boost readability for all e-readers and devices. Our goal is to produce eBooks that are user-friendly and accessible to everyone in a high-quality digital format.
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Чарлз Дарвин. The Formation of Vegetable Mould Through the Action of Worms
The Formation of Vegetable Mould Through the Action of Worms
Table of Contents
INTRODUCTION
CHAPTER I. HABITS OF WORMS
CHAPTER II. HABITS OF WORMS—continued
CHAPTER III. THE AMOUNT OF FINE EARTH BROUGHT UP BY WORMS TO THE SURFACE
CHAPTER IV. THE PART WHICH WORMS HAVE PLAYED IN THE BURIAL OF ANCIENT BUILDINGS
Measurements by Dr. H. Johnson of the thickness of the vegetable mould over the Roman ruins at Wroxeter
CHAPTER V. THE ACTION OF WORMS IN THE DENUDATION OF THE LAND
CHAPTER VI. THE DENUDATION OF THE LAND—continued
CHAPTER VII. CONCLUSION
FOOTNOTES
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Charles Darwin
With Observations on Their Habits
.....
Worms appear to be less sensitive to moderate radiant heat than to a bright light. I judge of this from having held at different times a poker heated to dull redness near some worms, at a distance which caused a very sensible degree of warmth in my hand. One of them took no notice; a second withdrew into its burrow, but not quickly; the third and fourth much more quickly, and the fifth as quickly as possible. The light from a candle, concentrated by a lens and passing through a sheet of glass which would intercept most of the heat-rays, generally caused a much more rapid retreat than did the heated poker. Worms are sensitive to a low temperature, as may be inferred from their not coming out of their burrows during a frost.
Worms do not possess any sense of hearing. They took not the least notice of the shrill notes from a metal whistle, which was repeatedly sounded near them; nor did they of the deepest and loudest tones of a bassoon. They were indifferent to shouts, if care was taken that the breath did not strike them. When placed on a table close to the keys of a piano, which was played as loudly as possible, they remained perfectly quiet.
