On the previous day I had mentioned that I was making a collection of the signs employed in map-making. I now met Von Buch and General Ruhl, both of whom were profoundly acquainted with that subject. I had searched in vain for any specimen of a map shaded upon the principle of lines of equal elevation. Von Buch the next morning gave me an engraving of a small map upon that principle, which was, I believe, at that time the only one existing.
After breakfast we went into Humboldt's study to look at something he wished to show us. In turning over his papers, which, like my own, were lying apparently in great disorder upon the table, he picked up the cover of a letter on which was written a number of names in different parallel columns. "That," he observed incidentally, "is for you." After he had shown us the object of our visit to his sanctum, he reverted to the envelop which he put into my hands, explaining that he had grouped roughly together for my use all the remarkable men then in Berlin, and several of those who were expected.
These he had arranged in classes:—Men of science, men of letters, sculptors, painters, and artists generally, instrument-makers, &c. This list I found very convenient for reference.
When the time of the great meeting approached, it became necessary to prepare the arrangements for the convenience of the assembled science of Europe. One of the first things, of course, was the important question, how they were to dine? A committee was therefore appointed to make experiment by dining successively at each of the three or four hotels competing for the honour of providing a table d'hôte for the savans.
Humboldt put me on that committee, remarking, that an Englishman always appreciates a good dinner. The committee performed their agreeable duty in a manner quite
