EDITORIALS. 333 



foot. The management of the details of transportation of these 

 excursions will be entrusted to the agency of Messrs. Ruffieux 

 and Ruchonnet at Lausanne ; their scientific direction will be 

 undertaken by Professor Renevier and Professor GoUiez, of the 

 University of Lausanne, The first excursion of this sort will 

 start from Geneva, where those participating in it will assemble 

 on the 1 5th of August, and will spend thirteen days visiting 

 localities in or near the Jura, including the environs of Geneva, 

 Lausanne, Neuchatel, Bale, and the Falls of the Rhine. The 

 second of these " voyages en zig-zag " will start from Zurich 

 on September 3d, and will spend thirteen days in the most 

 delightful parts of the Alps, visiting, among other points, the 

 Rigi, St. Gothard, the Lake of the Four Cantons, the Jungfrau, 

 the Matterhorn, and the Italian lakes. The cost of the first 

 excursion is to be $60, and of the second $80. 



Of the pedestrian tours, five are to take place before the 

 meeting at Zurich. One, under the direction of Professor 

 Schardt, of Montreux, will devote six days to the French Jura 

 in the neighborhood of Geneva, the rendezvous being at Geneva, 

 August 2 1st. The second, conducted by Professor Jaccard, of 

 Neuchatel, will spend five days in the Jura of Vaudois and in the 

 neighborhood of Neuchatel. The rendezvous is to be at Pont- 

 arlier, August 22d. The third excursion, in charge of M. Rollier, 

 of Bienne, will spend six days in the Bernese Jura, the rendez- 

 vous at Delemont, August 21st. The fourth, under the direction 

 of Professor C. Schmidt, of Bale, will devote five days to the 

 vicinity of Bale and the country east of the Argovian Jura ; the 

 rendezvous at Bale, August 21st. The fifth excursion, under 

 Professor Miihlberg, of Aarau, will spend five days in the 

 Argovian Jura and in the neighborhood of Soleure. The rendez- 

 vous will be at Aarau, August 23d. 



There will be four pedestrian tours after the meeting of the 

 Congress, one under the leadership of Professor Heim, of Zurich, 

 who will conduct a party over the eastern Alps of Switzerland 

 from St. Gallen to Tessin, studying the compressed folds in the 

 Santis, and crossing the great Glarner double fold. Professor C. 



