The Dalmatian breed of dog has many primitive characteristics.

Raising funds for my fourth expedition proved to be very difficult.

Colonial governors and senior civil servants are not easy people to argue with, and I was not popular because of my criticism of the colonial service in Kenya.

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

When my father arrived in Kenya, he had found the Kikuyu way of life similar to that of the British at the time the Romans invaded England 2,000 years ago.

The trip I made to Angola to study the prehistoric contents of the gravel beds as a means of deciding the age of the deposits and their economic potential was the first time prehistory had ever been used for such a purpose.

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