This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may conta...

The Evolution of Man: a Series of Lectures Delivered Before the Yale Chapter of the Sigma xi Duri...

This work has been selected by scholars as being culturally important and is part of the knowledg...

The Evolution of Man: a Series of Lectures Delivered Before the Yale Chapter of the Sigma xi Duri...

This work has been selected by scholars as being culturally important and is part of the knowledg...

The Sauropod Dinosaur Barosaurus Marsh

Organic Evolution

Organic Evolution

A Revision of the Ceratopsia or Horned Dinosaurs

A Remarkable Ground Sloth

The Sauropod Dinosaur Barosaurus Marsh

A Revision of the Ceratopsia or Horned Dinosaurs: 3 pt.3

A Remarkable Ground Sloth

Organic Evolution: A Text Book

This work has been selected by scholars as being culturally important, and is part of the knowled...

Collected Papers; Volume 2

A collection of scientific papers by Richard Swann Lull, covering topics such as paleontology and...