PROCEEDINGS. 35I 



June 16, 1890.— Stated Meeting. 

 The President in the chair. 



Dr. H. Carringtou Bolton exhibited a quantity of sonorous sand pro- 

 cured on his late visit to the Hawaiian Islands, and produced from it the 

 characteristic sound. 



Dr. Carl Lumholtz gave a lecture on his two years' residence among the 

 cannibals of Australia, profusely illustrated. 



July 7, 1890. — Stated Meeting. 

 The President in the chair. 



Donations to the Museum were reported from William Barber, Mrs. C. 

 W. Knox, L. Belding, Wm. M. Willey, E. D. Flint, James L. Ord and 

 Melville Attwood. 



Additions to Library: 



From correspondents 156 



By purchase 25 



By donation 4 



F. Gutzkow spoke on a diatomaceous earth from Sonoma County. 



C. H. Eigenmann exhibited specimens of salmon, salmon trout and 

 trout, and spoke on the differences between the species. 



July 21, 1890. — Stated Meeting. 

 The President in the chair. 



Additions to Library: 



From correspondents 113 



By purchase 12 



By donation 2 



G. P. Rixford presented specimens of marble from Inyo County and of 

 carbonate of soda from the soda works at Owens Lake, giving a description 

 of the process of manufacture. 



I. E. Thayer announced the donation of five cases of corals, thirty-seven 

 species, from the Navigator Islands, by Thomas C. Johnston. The thanks 

 of the Academy were voted to Mr. Johnston. 



Dr. H. Carrington Bolton spoke concerning the coming meeting of the 

 American Association for the Advancement of Science. 



