58 PHYSICAL GEOGRAPHY. 



erable importance, and will be fully developed in that part of our report 

 relating to surface geology. 



ACKNOWLEDGMENTS. 



Thanks for favors received during the latter part of our work are 

 tendered to E. A. Phelps of Sharon, Vt., Sylvester Marsh and Capt. J. 

 W. Dodge of the Mt. Washington Railway, E. S. Coe of Bangor, Me., 

 American Geographical and Statistical Society of New York, Dr. T. 

 Sterry Hunt of Boston, Prof. L. Agassiz of Cambridge, Mass., A. H. Perry 

 of Lyndonville, Vt., Gyles Merrill, St. Albans, Vt., George A. Merrill, 

 Rutland, Vt., O. T. Ruggles of Fitchburg, Mass., J. A. Dodge, Plymouth, 

 George Stark, Nashua, G. E. Todd, Concord, R. Stewart, Keene, Hon. 

 Onslow Stearns, Concord, Hon. J. A. Weston, Hon. S. N. Bell, Man 

 chester, J. J. Bell of Exeter, the trustees of the New Hampshire College 

 of Agriculture and the Mechanic Arts, John F. Anderson, Portland, Me., 

 T. Willis Pratt, Engineer of the Eastern railroad, Prof. H. F. Walling, 

 Boston, S. Aug. Nelson, Georgetown, Mass., Prentiss Dow, Claremont, 

 Wm. C. Fox, Wolfeborough, Messrs. Taft, Greenleaf, and Andrews of the 

 Profile house, Franconia, F. G. Sanborn, Boston, C. P. Whitney of Mil- 

 ford, Emmons Raymond, Boston, H. G. Chamberlain, Concord, C. J. 

 Brydges, Montreal, P. Q., Henry Bailey and T. H. Cooper of the G. T. 

 R., A. K. Cole, Berlin Falls, L. P. Adley, Milan, E. Hicky, Stark, J. B. 

 Melcher, Groveton, Dr. G. O. Rogers, C. C. Brooks, and F. Richardson, 

 Lancaster, Geo. N. Merrill, Jackson, Geo. W. M. Pitman, Bartlett, Joshua 

 Chapman, Thornton, L. W. Palmer, Lyndonville, Vt., J. Prescott, Boston, 

 Hon. M. A. Hodgdon, Weare, Seneca A. Ladd, Meredith Village, G. F. 

 Morse, Portland, Me., Prof. J. D. Dana, LL. D., New Haven, Conn., and 

 others. 



Fig. 6. ICE FORMED ON MT. WASHINGTON WITH SOUTH WIND. 



