X CONTENTS. 



Page 



30. Section from Gardiner's Eiver to Cinnabar Mountain 121 



31. Basins of Hot Springs at Gardiner's River, Yellowstone National Park 124 



32. Ornamental rim of extinct spring, Gardiner's River 125 



33. Grand Canon of the Yellowstone 131 



34. Lower Fall of the Yellowstone 132 



35. Upper Fall of Yellowstone River 132 



36. Crystal Falls on Cascade Creek 133 



36a. Half- Way Springs, Fire-Hole River 147 



37. Rim about a geyser-tube, Upper Fire-Hole River 150 



38. Globular masses in the crater of the Turban Geyser ." 152 



39. Oblong geyser near the Giant, Uj)per Basin, showing the ornamental char- 



acter of the borders of the springs 155 



40. Plan of Grotto Geyser 156 



41. Inverted beds of Jackass Creek - 162 



42. Section from Gallatin River to Madison River, Montana Territory 164 



43. Bear River Springs 173 



44. Idcalsketch 193 



45. Section, Ogden Canon 195 



46. Section extending from Henry's Fork through the T^ton Mountains 218 



47. " Three Tetons," looking east 221 



48. Shoshone Lake 249 



49. Panoramic view around Yellowstone Lake 251 



50. T^ton Range 262 



51. Section of the valley of Snake River 264 



52. Coalville section 439 



53. Section on Sulphur Creek, near Bear River 451 



54. Section at Black Buttes 526 



55. Section along Bitter Creek from Table Rock to Salt Wells. 534 



56. Diagram of ancient mounds 655 



57. Lepus Bairdii, Hayden 667 



.58. Menopon picicola 731 



59. Gouiodes Merriamaous 732 



60. Goniodes mephitidis 732 



61. Nirmus buteonivorus 733 



62. Docophorus syrnii 733 



63a. Eustrongylus buteonis $ 736 



63&. Eustrongylus buteonis 2 736 



64. Eustrongylus chordeilis 736 



65. Dipterous larva 739 



66. Ixodes bovis - 740 



67. Ixodes, mouth-jiarts 740 



68. Argas Americana 740 



PLATES. 



1. Loxolophodon cornutus. Cope 565 



2. Loxolophodon cornutus. Cope 567 



3. Loxolophodon cornutus. Cope 569 



4. Loxolophodon cornutus, Cope 571 



5. Synoplotherium lanius. Cope 556 



6. Synoplotherium lanius, Cope - 558 



7. Stone implements 651 



Fig. 1. Wrought flake of gray and black striped jasper. 



Fig. 2. Imj)lement of pinkish quartzite. 



