Charles Darwin Quote

As it is certain that worms swallow many little stones, independently of those swallowed while excavating their burrows, it is probable that they serve, like mill-stones, to triturate their food.


Chapter 1: Habits of Worms, (p. 18) - The Formation of Vegetable Mould through the Action of Worms (1881)

Picture Quote 1

As it is certain that worms swallow many little stones, independently of those swallowed while excavating their burrows, it is probable that they...

Picture Quote 2

As it is certain that worms swallow many little stones, independently of those swallowed while excavating their burrows, it is probable that they...

Picture Quote 3

As it is certain that worms swallow many little stones, independently of those swallowed while excavating their burrows, it is probable that they...

Picture Quote 4

As it is certain that worms swallow many little stones, independently of those swallowed while excavating their burrows, it is probable that they...