Sometime during the many millions of years that have elapsed since mammalian faunas came into existence, some sort of island crossed from West Africa to South America.

The Dalmatian breed of dog has many primitive characteristics.

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

To save an animal's life in order that it may suffer indefinitely is something I would never condone.

The Foxhall jaw has now been missing for many years.

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

Olduvai Gorge gives us one of the most remarkable stories of the past-the last chapter of the Earth's history, starting at the present day, right away back 2 million years.