Primitive Animals (Paperback)

Preface; 1. The animal kingdom; 2. The simplest animals and plants and the origin of life; 3. The appendiculate phylum; 4. Embryonic and larval histories; 5. The ancestry of the vertebrates; 6. The origin of the land vertebrates; 7. The rise of the mammalia; 8. Reflections on the past and future of animal life; Appendix A. Classification of the chief animal phyla; Appendix B. A table of the chief geological epochs; Index.