CONTENTS. 



PAGE. 



Blake, Dr. James. Remedy for tbe Phylloxera 122 



Colton, David D. Annual Address as President Board of Trustees. ... 10 



Davidson, Prof. George. Determination of tbe Difference of Longitude 

 by the Electric Telegraph between the United States Coast 

 Survey Stations at San Francisco, California, and Seattle, 



Washington Territory 58 



Edwards, Henry. Annual Address as Vice-President 1 



Pacific Coast Lepidoptera, No. 16. Notes on the Transforma- 

 tions of some species of Lepidoptera not hitherto recorded.. 19 



Pacific Coast Lepidoptera, No. 17. On the Transformations of 



Colias ( Meganostoina, Peak.) Eurydice Bdv 60 



Pacific Coast Lepidoptera, No. 18 Description of a New Species 



of Heterocampa (Larva and Imago) 121 



Pacific Coast Lepidoptera, No. 19. Notes on a Singular Variety 



of the Larva of Halesidota Agassizii, Packd 128 



Pacific Coast Lepidoptera, No. 20. Notes on the case-bearing 



Moths (Psychidas) with Notices of California Species 140 



Pacific Coast Lepidoptera, No. 21. Descriptions of Two Species 



of the Genus Thecla 143 



Pacific Coast Lepidoptera, No. 22. Notes on some Diurnal Lep- 

 idoptera, with Descriptions of New Varieties 163 



Fisher, William J. Annual Report as Librarian 12 



Harford, W. G. W. Description of a New Genus and Three New Species 



of Sessile-eyed Crustacea 53 



Description of Three New Species of Sessile-eyed Crustacea, 



with Remarks on Ligia occidentalis 116 



Hemphill, Henry. Description of a New California Mollusk 49 



Kellogg', Dr. A. Annual Report as Director of Museum 14 



Brickellia multiflora 49 



Ludwigia scabriuscula 78 



Notes and Descriptions of some Californian Plants 89 



On some New Species of Californian Plants 110 



Botanical Papers 114 



New Genus and Species of Californian Plants . 131 



Tribulus from the Eastern Shore of the Gulf of California 162 



