TABLE OF CONTENTS. 



IX 



No. Facing 



f Fig. 1. Cissites acuminatus ^ 



I Fig. 2. Drvopbyllum (Quercus) salicifolium 



74. Plate VIII. < Fig. 3. Ilex strangulata )> 



I Fig. 4. Protophyllum crednerioides. | 



l^Fig. 5. Platanus Heerii , J 



page- 



see 



Eeport of "W. H. Jackson. 



f Fig. 1. Ground-plan of round tower on the Rio Mancos ^ 



I Figs. 2, 3. Tower adjoining a rectangular foundation in the j 

 I canon of the Mancos. | 



75. Plate I. <J Fig. 4. A portion of doorway and one corner of a carefully- } 369 



built house, Mancos Canon. j 



Fig. 5. Cliff-house on the rocks of Mancos Canon | 



^Fig. 6. Inscriptions on canon-walls j 



" Fig. 7. Cliff-house in Mancos Canon ^ 



Fig. 8. Showing the tenacity of cementing-material 



Fig. 9. A square tower in the valley of the McElmo | 



76. Plate 11. { Fig. 10, An isolated rock in the vaUey of the McElrao covered } 370 

 with ruined houses and walls. 



Fig. 11. Ground-plan of an extended series of houses in the | 



valley of the Hovenweep. J 



f Fig. 12. A two-story house in the crevices of the escarpment") 



I in the Mancos Canon. | 



— -pi^f^ TTT I Fig. 13. A general view of the valley of the Eio Mancos near ' 



"• ^'■^^^ ^^^- ^ its outlet from the Mesa Verde. 



Fig. 14. A view of ruined village in the valley of the Hoven- 

 l, weep. J 



78. Plate IV. Cliff-house in the canon of the Mancos 372 



79. Plate V. Battle-rock in the canon of the McElmo 374 



80. Plate VI. Cave-dwellings in the canon of "the McElmo 376 



81. Plate VII. Watch-tower in the canon of the McElmo = . 378 



62. Plate VIII. Euins in the canon of the Hovenweep, Utah 380 



Eeport of Ernest Ingersoll. 



83. 



84. 

 8.5. 

 86. 

 87. 



Papilla alticola (wood-cut in text) 



Limax montanus (wood-cut in text) 



Lingual dentition of Limax castaneus (wood-cut in text). 



Helix (Microphysa) Ingersollii (wood-cut in text) 



Heliosoma plexata (wood-cut in text) 



Eeports of Henry Gannett, S. B. Ladd, and A. D. Wilson. 

 88. Preliminary map of Central Colorado 



392 



394 

 396 

 398 

 402 



412 



