F oerste.] 
392 
[April 6, 
work of the Society be acknowledged by a vote of thanks to be 
presented by the Curator in person. 
March 16, 1892. 
President George L. Goodale in the chair. One hundred 
and fifteen persons present. 
Dr. J. Walter Fewkes gave an account of the Moki Snake 
Dance which took place at Wal-pi in August, 1891. 
April 6, 1892. 
President George L. Goodale in the chair. Sixty-one persons 
present. 
The President announced the death of Dr. John Amory Jeffries, 
a former officer of the Society. 
Mr. Percival Lowell read a paper on Shinto Occultism, God- 
possession of people. 
Dr. Harold C. Ernst read a paper entitled Some recent 
advances in Bacteriology. 
The following paper was presented by title at the meeting of 
November 18, 1891 : — 
THE DRAINAGE OF THE BERNESE JURA. 
BY AUG. F. FOERSTE, 
WITH A SUPPLEMENTARY NOTE ON THE DRAINAGE OF THE PENNSYL- 
VANIA APPALACHIANS. BY W. M. DAVIS. 
CONTENTS. 
Literature. 
Prefatory Note. 
1. Introduction 
Geology of the Bernese Jura. 
2. Deposition and sequence of strata. 
3. Incomplete evidence of land conditions. 
4. The period of folding 1 . 
5. Topography of the Jura folds. 
6. Degree of erosion of the folds. 
Origin of the Jura drainage. 
7. Previous theories bearing on this subject. 
