372 CALIFORNIA ACADEMY OF SCIENCES. 



February 15, 1892. — Stated Meeting. 

 The President in the chair. 



Donations to the museum were reported from Charles A. Keeler, H. 

 Abbott, Herbert Brown, E. D. Flint, Miss Louise A. Littleton, George B. 

 Badger,, Charles N. Comstock, T. B. Sanders, George W. Dunn, William 

 G. Blunt and Walter E. Bryant. 



Additions to Library: 



From correspondents 80 



By purchase 75 



By donation 5 



Dr. Gustav Eisen read a paper entitled "The Evolution of the Forms of 

 Trees as produced by Climatic Influences." 



March 7, 1892.— Stated Meeting. 



The President in the chair. 



W. L. Watts and Alice Eastwood were proposed for membership. 



Donations to the museum were reported from W. S. Bliss, Gustav 

 Eisen and T. B. Sanders. 



Letters were read announcing the donation to the herbarium of a col- 

 lection of Greenland plants by John H. Redfield, and of a package of 

 specimens of Sphagna of the northeastern United States, by Edwin 

 Faxon, and a vote of thanks was tendered to each of those gentlemen. 



Charles A. Keeler read a paper entitled, "Is Natural Selection Creative?" 



Dr. Harkness exhibited specimens of a species of Cynips together with 

 the galls from which they emerge and made some remarks on their life 

 history. 



April 4, 1892.— Stated Meeting. 

 The President in the chair. 



Additions to Library: 



From correspondence 140 



By piirchase 41 



By donation 41 



The President announced the death of Sereno Watson, honorary mem- 

 ber, and of William A. Aldrich, resident member. 



Dr. Harkness made some remarks concerning his observations on the 

 life history of the Cynips infesting the oaks, and discussed the probability 

 of the one attacking the buds being an alternate generation of the one 

 forming the woody galls. 



