United States, 15, 16, 18, 20-22, 25, 26, 66, 84, 93, 107, 114, 115, 123, 135. 

 Untermainthal, 58, 74, 78, 97, 155. 

 Upthrusts by ice, 6. 

 Uvocladium, 27, 51. 

 Ursus etvuscus, 12, 158. 

 Urtica dioica, 30, 39, 46, 80; PL VI, fig. 3. 

 „ mens, 30, 39, 46, 80; PI. VI, fig. 2. 



Valerianaceae, 36, 43, 49, 136; PI. XVII, figs. 11, 12. 

 Valeriana sambucifolia 49. 



„ tripteris, 43. 

 Valerianella olitoria, 49. 

 Valley erosion, 6, 7, 20. 

 Venlo, 10. 



Verbascum Thapsus, 49. 

 Verbena officinalis, 42. 

 Veronica Chamaedrys, 43, 49. 

 Viburnum Opulus, 49. 

 Violaceae, 120, 121. 

 Viola cf. arvensis, 42. 

 „ hirta, 48. 



„ „ lutea, 120; PI. XIII, fig. 25. 



„ „ palustris, 48. 



„ „ Riviniana, 48. 



„ „ rupestris, 34, 120; PI. XIII, fig. 27. 

 Vitaceae, 115, 116. 

 Vitis Hooked, 116. 



„ orientalis, 34, 116; Pi. XII, fig. 14. 



„ vinifera, 17, 34, 41, 115; PI. XII, figs. 12, 13. 

 Vitis?, 144, 145, 147. 



Weber, C. A., 87, 88, 153, 155. 



Welsch, J., 123. 



Weybourn Crag, 9. 



Wilson, E. H., 3, 16, 18, 19, 21, 22, 113, 138, 158. 



Wind, influence of prevalent, 19. 



Wistaria?, 32, 103; PI. XVIII, fig. 8. 



Wylerberg, 6, 11, 13. 



Xanthoxyleae, 104. 



177 



