IX 



Plate 2G (facing page 64). 



Fig. 7. Frontal view of skull No. 2. 



Fig. 8. Occipital view of the same. 

 Flate 27 (facing page G4). 



Fig. 9. Vertical view of skull No. 2. 



Fig. 10. Basal view of the same. 

 Plate 28 (facing page 64). 



Fig. 11. Frontal view of skull No. 3. 



Fig. 12. Vertical view of the same. 

 Plate 29 (facing page 64). 



Fig. 13. Lateral view of skull No. 3. 



Fig. 14. Comparison of skulls from Abifiuiu, Guatemala, and I'eiu. 



BULLETIN No. 2. 

 Plate 80 (l^iciug page 196). 

 lierpetotheres cacliinnana. 

 Fig. 1. Head. 



Fig. 2. One-half of skull, seen from above, &.c. 

 Fig. 3. Supramaxillary and nasals, showing nostril. 

 Fig. 4. Mandible. 

 Fig. 5. Coracoid process. 

 Plate 31 (facing page 196). 

 lierpetotheres cachinnans. 

 Fig. 1. Sternum, nnder view. 

 Fig. 2. Foot. 



BULLETIN No. 3. 



XOTES DESCKIPTXVK OK SOME GEOLOGICAL SECTIONS. 01^ THE COUNTRY ABOUT THE 

 HE.U)WATE1{S OE THE MISSOUEI AND YELLOWSTONE KIVEKS, BY 1'. V. HAYDEN. 



Plate 32 [= folded Plate I] (facing page 197). 



Fig. 1. Three forks of the Missouri, looking west from. Gallatiu Bluifs. 



Fig. 2. Section on the Gallatin Kiver. 

 Plate 33 [ = folded Flate II] (facing page 198). 



Fig. 1. ? Section on the Gallatin River, from the three forks of the Missouri to the 



Fig. 2. S mouth of Dry Creek. 

 Plate 34 [= folded Plate III] (facing page 198). 



Fig. 1. ? East Gallatin range, from road between Hamilton and Bozcman, looking 



Fig. 2. ^ east. 

 Plate 35 [ = folded Plate IV] (facing page 200). 



Fig. 1. Caiion of Gallatin River, east side, No. 1. 



Fig. 2. Caiion of Gallatin River, No. 2. 

 Plate 36 [= folded Plate V] (facing page 200). 



Fig. 1. Canon of Gallatin Rivei', No. 3. 



Fig. 2. Canon of Gallatin River, No. 4. 

 Plate 37 [ = folded Plate VI] (facing page 200). 



Fig. 1. Caflon of the Gallatin "River, No. 5. 



Fig. 2. Canon of the Gallatin River, No. 6. 

 Plate -38 1- foMed Plate VII] (Facing page 202). 



Fig. 1. Canon of the Gallatin River, No. 7. 



Fig. 2. Second Vallev of the Yellowstone, looking west from Mount Delano. 

 Plate 39 [ = folded Plate VIII] (facing page 202). 



Fig. 1. Grand Terrace, Lower Madison Valley, west side, No. 1. 



Fig. 2. Grand Terrace, Lower Madison Valley, No. 2. 

 Plate 40 [= folded Plate IX] (facing page 202). 



Fig. 1. Grand Terrnce, Lower Madison Valley, No. 3. 



Fig. 2. Grand Terrace, Lower Madison Valley, No. 4. 

 Plate 41 [ = folded Plate X] (facing page 207). 



Fig. 1. View looking up Soda Butte Creek. 



Fig 2. Terrace of the Middle Valley of the Madison. 



NOTES IN RELATION TO CONTOUR-AfAP OF THE UNITED STATES, J;Y UKNliV liANNKTr, M. K. 



Map. — Hypsometric skctt-h of the Uuited States (facing page 226). 



