The author knows just what he wants to illustrate and how he would like it to be done.

As a social anthropologist, I naturally accept and even stress the fact that there are major differences, both mental and psychological, which separate the different races of mankind. Indeed, I would be inclined to suggest that however great may be the physical differences between such races as the European and the Negro, the mental and psychological differences are greater still.

There is tragic evidence to show that the paintings at the French prehistoric art sites are deteriorating.

I saw what looked like another fallen tree in front of me and put my foot on it to cross over. At that moment it reared up in front of me-the biggest python I had ever seen!

Stone tools are fossilized human behavior.

I put a bullet into the back of the crocodiles neck just behind the head, thus killing it. If a crocodile is hit in any other part of its anatomy it disappears into the water and is irrecoverable.

The Dalmatian breed of dog has many primitive characteristics.