313 
of Edinburgh, Session 1867-68. 
prepared those for his previous papers, from which Plates xxxiii., 
xxxiv., xxxv., and xxxvi. were lithographed, and for whose kind- 
ness and trouble the author desired that his obligation should be 
mentioned. 
The following Gentlemen were elected Fellows of the 
Society 
John Dick Peddie, Esq. 
Colonel Seton Guthrie. 
Samuel Raleigh, Esq. 
Thos. Smith Maccall, M.D., F.R.C.P.E. 
Monday , 20 th April 1868. 
Professor PLAYFAIR, C.B., Vice-President, in the Chair. 
The following Communications were read : — 
1. Notice of Works designed by Sir Charles Hartley, C.E. 
for the Improvement of the Danube. By David Stevenson, 
Civil Engineer. 
Having received from Sir Charles Hartley an interesting record 
of the works executed for the improvement of the Danube, to be 
presented to one of the Public Libraries in Edinburgh, I think its 
fittest destination is the Royal Society; and, on behalf of Sir Charles 
Hartley, I have to present the volumes on the table for the Society’s 
acceptance. 
It may not be uninteresting, in presenting these books, to de- 
scribe, in a very few sentences, the work that has been executed 
for the improvement of the Danube, and the results that have been 
obtained. 
In 1856 the “ European Commission of the Danube” was ap- 
pointed under the Treaty of Paris, and consisted of seven delegates, 
representing England, Austria, France, Prussia, Russia, Sardinia, 
and Turkey, and its object was to improve the bar of the river, and 
open the navigation to the traffic of all nations. The Danube, 
after flowing over a course of 1700 miles, and draining 300,000 
