X CONTENTS. 



Page 



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



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



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



33. Grand Canon of the Yellowstone 131 



34. Lower Fall of the Yellowstone . 132 



35. Upper Fall of Yellowstone Eiver 132 



36. Crystal Falls on Cascade Creek , 133 



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



37. Eim about a geyser-tnbe, Upper Fire-Hole Eiver 150 



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



39. Oblong geyser near the Giant, Ui^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 Eiver to Madison Eiver, Montana Territory 164 



43. Bear Eiver Springs 173 



44. Idealsketch 193 



45. Section, Ogden Canon 195 



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



47. " Three Tdtons," looking east 221 



48. Shoshone Lake... 249 



49. Panoramic view around Yellowstone Lake 251 



50. T6tonEange 262 



51. Section of the valley of Snake Eiver 264 



52. Coalville section. ......: 439 



53. Section on Sulphur Creek, near Bear Eiver 451 



54. Section at Black Buttes ' ..., 526 



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



56. Diagram of ancient mounds 655 



57. Lepus Bairdii, Hayden 667 



58. Menopon j)icicola 731 



59. Goniodes Merriamanus 732 



60. Goniodes mephitidis 1 732 



61. Nirmus buteonivorus 733 



62. Docophorus syrnii 733 



63a. Eustrongylus buteonis ^ 736 



&oh. Eustrongylus buteonis $ 736 



64. Eustrongylus chordeilis 736 



65. Dipterous larva : .739 



66. Ixodes boyis 740 



67. Ixodes, mouth-parts 740 



68. Argas Americana . . 740 



PLATES. 



1. Loxolophodon cornutus. Cope , 565 



2. Loxoloi^hodon 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. Implement of pinkish quartzite. 



