39^ Proceedings of Societies. [zoe 



tries he obtained the charming sketches for his book entitled 

 "Mingled Yarns/* 



Mr. Edwards possessed one of the largest private collections of 

 butterflies in the world, and his courtesy in identifying species for 

 others was well known and appreciated by his correspondents. 



In 1867 he was elected a member of the California Academy 01 

 Sciences, and on January 2, 1877, he became a life member. In 

 1874 he held office as a trustee of this Society. For three consecu- 

 tive years (1875-77) he was the first vice-president of the Academy. 

 In 1877 he moved to the east, continuing to the time of his death 

 his interest in entomology and the augmentation of his collection. 



Mr. Edwards published a number of valuable entomological 

 papers, notably his ^'Descriptions of Pacific Coast Lepidoptera/' 

 and '* Bibliographical Catalogue of the Described Transformations 

 of North American Lepidoptera/' 



December 7, i8gi. President Harkness in the chair. 



Donations to the museum were reported from L. Belding, E. H. 

 Fiske, F. O. Johnson, S. Giannetoni, A. V. La Motte, W.' E. Bry- 

 ant, H. W. Harkness, Mrs. A Van S. Sumner, Charles Fuchs. 



The Librarian reported 205 additions to the Hbrary. 



Specimens of slate from El Dorado County, CaHfornia, prepared 

 to show the toughness, cleavSge and flexibihty,- were exhibited and 

 a paper was read, prepared by Melville Attwood, on its chemical 

 analysis. 



Dr. David S.Jordan delivered a lecture on the "Salmon and 

 Trout of the Pacific Coast." He first called attention to the fact 

 that the ancient Greeks and Latins knew nothing of these fish, and 

 that the earliest mention of them is to be found in a poem on the 

 River Moselle, written in the middle ages. He then explained the 

 derivation of the different names applied to them. Taking up the 

 salmon of the Pacific coast the lecturer, after giving the details of 

 their life history, stated that they were first described by Steller, the 

 naturalist of Bering's expedition, who recognized five species, to 

 which he gave the names ischazvylscha, keta, kisuich, ncrka and 

 gorbuscha, respectively the king, dog, silver, blue-back and hump- 

 back salmon. Since Steller's time thirty-five different species of 

 Pacific coast salmon have been described by various writers, but 

 subsequent thorough study has determined the fact that Steller's 



