INDEX. 



12;", 



Warren, G. K., Cited on Lake Pepin, 7. 



Cited on outlet of Lake Agassiz, 104. 



Warren, River, Source of, 104. 

 Watkins, N. Y. , Del^tas near, 49, 50. 

 Watertown, X. Y., Height of ancient beach 



at, 100. 

 Waves and currents of lakes, 33-30. 

 Weather Bureau, U. S., Currents in Lauren- 



tian lakes observed by, 33, 34. 

 Weed, W. II., Cited on deposits of hot 



springs, 77. 

 White, A. C, Cited on ice-walls, 62. 



Wind-erosion basins, < )rigin of, 3. 

 Winchell, A., Cited on isothermals of the 



Lake Region, 38. 

 Winnemucca lake, Nev., Analysis of, 72. 

 Winnipcgasie, Lake, Ice-walls of, 52. 



Yellowstone park, Precipitates from waters 



in, 7G, 77. 

 Yukon, Lake, Alaska, Origin of, 17, 18. 

 Yukon river, Alaska, Drift timber in, 27. 



Zuyder Zee, Origin of, 8. 



