PROCEEDINGS OF SOCIETIES. 
CALIFORNIA ACADEMY OF SCIENCES. May 2, 1892. President — 
Harkness in the chair. 
_ The Librarian reported 185 additions to the library. 
Dr. H. H. Behr read a paper on the Flight of Insects. 
Dr. Harkness exhibited gall-wasps just hatched from leaf-bud 
galls of the oak. 
June 6, 17892. President Harkness in the chair. 
Accessions of fossil and recent shells were reported from Mrs. M. 
Burton Williamson, Miss McVenn, W. J. Raymond, T. S. Brande- 
gee, Dr. C. L. Anderson, Dr. Dozier, F. Engles, Henry Hemphill, 
Gustav Eisen, R. Reid, Dr. S. Bowers. 
Two hundred and ninety additions to the library were reported. 
The President announced the death of J. J. Rey, L. L. Robinson 
and S. M. Wilson, life members, and of Prof. E. Regel, honorary 
member. 
Dr. Gustav Eisen made a preliminary report on the expedition to 
Lower California. 
June 20, 1892. President Harkness in the chair. 
Dr. Gustav Eisen read a paper on the Lost Civilization of the 
Mayas as Indicated by Archzeological Remains in Mexico and Cen- 
tral America, illustrated by stereopticon views. 
July 18, 1892. President Harkness in the chair. 
The Librarian reported 440 additions to the library. 
Mr. S. W. Holladay read a paper on Earthquake Freaks. 
Charles A. Keeler gave an account of his recent trip to the Far- 
allon Islands, and exhibited a portion of the collections made on 
the trip. 
CALIFORNIA BoTANICAL CLus. May 16, 1892. President Camp- 
bell in the chair. 
The following were elected to membership: Mrs. Austin Sperry, 
Adoiph Sutro, E. J. Molera, Miss Louise Bundschu, F. N. Notes- 
lein, Mrs. M. A. Wills, Miss Clara Rice, Mrs. C. E. Miller, Mrs. F. 
Butler, Mrs. Edward Probert, Theodor Holm, Alfred J. McClatchie. 
Prof. D, H. Campbell delivered a lecture on Ferns and their Re- 
lations, explaining their affinities as shown by the later researches 
into their structure, and the details of their reproduction as com- 
