CU ILLUSTRATIONS 



PAGE 



26. Diagrammatic outline of Tilted Mountain Brook section . . . 292 



27. Outline of section, Tilted Mountain Cirque 292 



28. Diagrammatic outline of the Collenia ? beds 295 



29. Outline of Mount Assiniboine section 296 



30. Outline of Bow Valley section 300 



31. Outline of Siffleur River Canyon 331 



32. Diagrammatic sketch of supposed algae 345 



33. Theoretical section, Lake Kinney 350 



34. Section of Mount Robson 351 



35. Outline of mountain shown in plate 102 354 



