Page:Walcott Cambrian Geology and Paleontology II.djvu/11

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ILLUSTRATIONS



PLATES

TO FACE PAGE
1. Map showing distribution of pre-Cambrian Rocks 4-5
2. Middle Cambrian Merostomata (Sidneyia) 30
3. """ (Sidneyia) 32
4. """ (Sidneyia) 34
5. """ (Sidneyia and Amiella) 36
6. "" Trilobita and Merostomata (Neolenus and Sidneyia) 38
7. Cambrian and pre-Cambrian Merostomata (Sidneyia and Beltina) 40
8. Middle Cambrian Medusa and Holothurian (Peytoia and Eldonia) 58
9. Middle Cambrian Holothurians (Eldonia) 60
10. """ (Eldonia) 62
11. """ (Eldonia) 64
12. """ (Eldonia) 66
13. """ (Laggania, Mackenzia, and Louisella) 68
14. Cambrian Faunas of China (Micromitra (Paterina), Lingulella, Acrotreta, Orthotheca, Albertella, Stephanocare, Ptychoparia, Ptychoparia (Emmrichella), Crepicephalus, Pterocephalus, and Inouyia) 102
15. Cambrian Faunas of China (Agraulos, Lisania, Chuangia, Levisia, Anomocare, and Anomocarella) 104
16. Cambrian Faunas of China (Coosia, Asaphiscus, Bathyuriscus, and Solenopleura) 106
17. Cambrian Faunas of China (Anomocare, Anomocarella, and Levisia) 108
18. Middle Cambrian Annulata (Miskoia) 134
19. """ (Ottoia, Hyolithes, and Selkirkia) 136
20. Middle Cambrian Annulata (Pikaia and Oesia) 138
21. """ (Wiwaxia, Banffia, and Pollingeria 140
22. Middle Cambrian Annulata (Planolites, Worthenella, Amiskwia, and Ottoia) 142

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