Page 



Phylum Platyhelminthes 35 



Phylum Nemathelminthes 35 



Phylum Trochelminthes 36 



Phylum Bryozoa 36 



Phylum Brachiopoda 36 



Phylum Mollusca 36 



Phylum Annelida 38 



Phylum Onychophora 38 



Phylum Arthropoda 39 



Phylum Echinoderma 40 



Phylum Chordata 41 



Chapter 4. Ordovician fossils 44 



Collecting localities 44 



The commoner fossils 45 



Books for further study 55 



Chapter 5. Silurian fossils 56 



Collecting localities 56 



The commoner fossils 57 



Books for further study 73 



Chapter 6. Devonian fossils 74 



Collecting localities 74 



The commoner fossils 74 



Books for further study 94 



Chapter 7. Mississippian fossils 96 



Collecting localities 96 



The commoner fossils 97 



Books for further study 104 



Chapter 8. Pennsylvanian fossils 105 



Collecting localities 105 



The commoner fossils 105 



Books for further study 119 



Chapter 9. Permian fossils 120 



Collecting localities 120 



The commoner fossils 120 



Books for further study 121 



Chapter 10. Pleistocene fossils 122 



Collecting localities 122 



The commoner fossils 122 



Books for further study 136 



References cited 137 



Index 145 



IV 



