In his later years he developed the study of fossils.

This can be clearly seen in some of the fossils.

"A lot of fossils on the market are not what they appear," he said.

His work involved the collection of various fossils found in England.

The real surprise, however, is that some of the fossils look very modern.

A very large number of fossils have now been discovered and identified.

The expedition sent back some of the fossils, but these were later lost.

Some of the fossils were burnt and others can be found on the river bed.

Very little is known of the two fossils as they were published without description.

The site has been an extraordinarily rich source of fossils.