Member of "Die Gesellschaft zur Beförderung der Gesammten Naturwiasenschaften in Marburg." Marburg, Feb. 13th, 1856.
Member of the "Historical Society of New Jersey." Trenton, May 17th, 1856.
Member of the "Historical Society of Tennessee." Nashville, Sept. 3rd, 1857.
Member of "Die Gesellschaft für Erdkunde in Berlin." Berlin, April 18th, 1858.
Member of the Bohemian Royal "Gesellschaft der Wissenschaften." Prague, January 13th, 1858.
Director "del Observatorio Nacional." Mexico, 1865.
"Consejero Honorario de Estado." Mexico, 1865.
"Miembro honorario de la Sociedad Mexicana de Geografia y Estadistica." Mexico, 1865.
"Miembro de la Imperial Academia Mexicana de Ciencias." Mexico, 1865.
LL.D. of the University of Cambridge. England, 1867.
He was also a member of many other learned bodies, of which the records have been lost during the war.
All the letters are inserted here that accompanied these honours from the different sovereigns of Europe, except those which were lost or destroyed during the late war. They begin with the letter from Baron Humboldt, presenting the great gold medal of science from the King of Prussia, and also the Cosmos medal.
| My dear and illustrious Friend, | Berlin, Feb. 8rd, 1855. |
It is now a great many years since you have been so kind as to enrich with your generous contributions the most important institutions—the Admiralty, the Academy, the School of Navigation, and Libraries—of my country. Your immense labours on currents and soundings, and the direction of winds at different seasons and latitudes, have exercised the most beneficial influence on the commerce of nations, by shortening in a surprising manner the passages by sea, and augmenting the security of navigation in all seas. The result has been the opening of new paths to navigators who have been penetrated by the correctness of your views, and an increase of the facilities previously derived from the application of steam. My Sovereign, the King of Prussia, sensible of the eminent merit
