PROCEEDINGS. 37l 



G. P. Rixford, Sau Francisco: 3 specimens of marble with Indian pic- 

 tographs, from Inyo county; 215 specimens shells; 24 specimens of tufas, 

 representing formations in Yellowstone Park; 1 specimen obsidian. 



Wm. A. Robbms, San Francisco: 1 egg of Cathartes aura. 



William Ryan, Field's Landing, Cal. : 4 specimens of Branta nigrican-'i 

 in flesh, and a bunch of eel-grass {Zostera marina). 



W. R. Shockley, Caiidela.ria,'!!ie\'.: 1 Salmo mykiss; 1 Salmo irideus; 2 

 Squalius (conformis?). 



Hon. Leland Stanford, Meulo Park, Cal.: 1 specimen Bascanion con- 

 strictor, alive. 



D. C. Stone, San Francisco: 5 living specimens of albino rat. 



Mrs. Adeline Van S. Sumner, Sau Francisco: living specimen of Chon- 

 drotiis tenehrosvs. 



Charles H. Townsend, U. S. F. C. S. Albatross: 1 specimen of Strix 

 pratincola in the flesh; 1 skin of Simorhynchus pusillus, and 1 birds' nest. 



Carlos Troyer, San Francisco: 1 specimen of Neuroptera. 



Frank H. Vaslit, San Francisco: 1 specimen of Vespertilio s]i.^ and 1 

 Prionus californicus in alcohol; 1 specimen of Scapanus townsendii, in the 

 flesh. 



Mrs. S. E. Vaslit, San Francisco: 1 specimen of Scapanns tovmsendii, in 

 the flesh. 



W. M. Willey, San Francisco: 1 abnormal egg of domestic fowl. 



Mrs. H. B. Wilson, Healdsburg, Cal.: 1 arachnid. 



Ramon E. Wilson, San Francisco: 2 specimens V'ariscite, from 1,800-foot 

 level, Holmes mine, Candelaria, Nev. 



B. C. Winston, Monterey, Cal.: 2 specimens quadramana, in the flesh; 

 I Cebus capucinus, in the flesh. 



R. A. A. Wright, San Francisco: anatomical specimen from young wal- 

 rus (Odobcenus obesus) taken in Arctic ocean. 



Mrs. R. A. A. Wright, San Francisco: crystal from cave at Havana. 



Unknown donor: 1 specimen Dytiscns marginicollis. 



Purchased; 1 specimen Botauriis lentiginosus, in the flesh; 2 skins of 

 Lophodytes cucullatus; 33 stone implements; 1 bottle pigment; 1 reptile in 

 alcohol. 



February 1, 1892.— Stated Meeting. 

 The President in the chair. 



Additions to Library: 



From correspondents 133 



By purchase 14 



By donation 6 



Charles A. Keeler read a paper on Heredity in its Relation to the Inher- 

 itance of Acquired Characters. 



