What are Species? In its most general acceptation the word "species" signifies a kind or sort of something, which something is the genus to which the species belongs. Thus, a black stone is a species...

This book deals with a history of Brazil.The largest republic of South America, and the third largest of the western hemisphere, Brazil, which from a variety of circumstances, has ever been regarded an...

Why do birds sing? Has their music a meaning, or is it all a matter of blind impulse? Some bright morning in March, as you go out-of-doors, you are greeted by the notes of the first robin. Perched in...

This book deals with the intelligence of the elephants, their emotions and memory. The higher mental faculties of the elephant are more advanced in their development than in any other animal, except the...

When we observe the small heads and unmeaning eyes of birds, we do not expect to find any great amount of intellect among them. They are, however, moved by the same passions and feelings as larger animals,...

In the strict sense of the word "Nature," it denotes the sum of the phenomenal world, of that which has been, and is, and will be; and society, like art, is therefore a part of Nature. But it is convenient...

The science of meteorology has revealed to us the true nature of atmospheric disturbances throughout time and space. We know their producing causes, and can foretell, with a considerable degree of accuracy,...

What are Species? In its most general acceptation the word "species" signifies a kind or sort of something, which something is the genus to which the species belongs. Thus, a black stone is a species...

This book deals with a history of Brazil.The largest republic of South America, and the third largest of the western hemisphere, Brazil, which from a variety of circumstances, has ever been regarded an...

Why do birds sing? Has their music a meaning, or is it all a matter of blind impulse? Some bright morning in March, as you go out-of-doors, you are greeted by the notes of the first robin. Perched in...