ADDRESS 



DELIVERED BEFORE THE MEMBERS 



OF THE 



WEST KENT NATURAL HISTORY, 

 MICROSCOPICAL & PHOTOGRAPHIC SOCIETY, 



BY 



The President, T. 0. DONALDSON, Esq,, M. Inst. C.E. 



On the 2'^rd February^ 1887. 



The Yellowstone National Park, in Wyoming county, is 

 situated about the three rivers, the Yellowstone, the Madison, 

 a tributary of the Mississipi, and the Snake river. 



The active volcanic agency constantly going on, seems 

 to be similar, in some respects, to the action in Iceland, and 

 more especially to that in the North Island of New Zealand, 

 although it has not yet arrived at the disastrous results 

 which occurred at the latter place last year. 



I have made some brief memoranda from a very in- 

 teresting account of the Yellowstone region, published in 

 " Stanford's Compendium of Geography,'' Part, North 

 America, edited by Professor F. V. Haydon, Chief of the U. 

 States Geographical Survey, and Professor Selwyn, Director 

 of the Geological Survey of Canada. 



The region of Yellowstone Park was repeatedly covered 

 with lava in former times, and great ranges of mountains 

 thrown up, and at the present time the numberless hot 

 springs and geysers indicate that catastrophes may happen 

 at any time from volcanic eruption. 



The Geysers of the Yellowstone Park, varying in 

 character, some with water and steam ejected simultaneously 



