PROCEEDINGS. 325 



May 20, 1889.— Stated Meeting. 



The Pkesident in the chair. 



Additions to Museum : 



Shark's Jaw, donated by Leo Eloesser. 



Specimen of Cinnabar, donated by B. M. Newcomb. 



Specimens of Insects from Durango, Mexico, donated by 

 H. S. Durden. 



Young viviparous Perch from Oregon. 



Photograph of the Moon, donated by the Lick Ovserva- 

 tory. 



Additions to Library: 



From correspondents 53 



By purchase . 6 



The following paper was read: 



The Duration of Individual Life in Insects, by H. H. 

 Behr. 



June 3, 1889. — Stated Meeting. 



The President in the chair. 



Additions to Museum : 



Eighteen specimens Echinoderms and specimens of 

 Galena, donated by R. C. McGregor. 



One specimen Cryptochiton stelleri, donated by J. Redlick. 



Specimen of Salt from San ^Quintin, Lower California, 

 donated by Jas. Bandall. 



Additions to Library : 



From correspondents 90 



By purchase. 7 



By donation 1 



