ILLUSTRATIONS 



Plates 



I. The form and attitudes of Diplodocus 26 



Text-Figures 



1. Section through foot of Tcstudo 2 



2. Left acetabuhim 8 



3. Acetabulum of Hzard Metapoceros g 



4. Femur of Diplodocus 10 



5. Proximal end of femur of Diplodocus 10-12 



1. Catharinea crispa 277 



2. Catharinea angustata 278 



3. Catharinea undulata 279 



4. Catharinea selwyni 280 



5. Oligotrichum parallelum 283 



6. Oligotrichum aligerum 284 



7. Oligotrichum incurvum 285 



8. 0. incurvum and O. i. latifolium 287 



9. Psilopilum glabratum 289 



10. Bartramiopsis lescurii 291 



11. Polytrichadelphus lyallii 293 



12. Pogonatum contortum 296 



13. Pogonatum capillare 298 



14. Pogonatum urnigerum 300 



15. Pogonatum alpinum 302 



16. Pognatum alpinum, variety 305 



17. Pogonatum alpinum, varieties 306 



18. Polytrichum gracile 310 



19. Polytrichum attenuatum 311 



20. Polytrichum ohioense 313 



21. Polytrichum inconstans 314 



22. Polytrichum commune 316 



23. Polytrichum commune and varieties 318 



24. Polytrichum jinsenii 319 



25. Polytrichum yukonense 320 



26. Polytrichum sexangulare 321 



27. Polytrichum juniperinum 323 



28. Polytrichum strictum 324 



29. Polytrichum hypcrboreum 326 



30. Polytrichum piliferum 327 



xi 



