INDEX OF AUTIIORS.-1868-1872. 



PAOB. 



Agassiz, Louis. — Address to the Academy in Response to Introduction 253 



Remarks on results of the Hassler Expedition 257 



Ayres, Dr. W. 0. — Remarks on Vitreous Sponges 20 



Bkhr, Dr. H. — On a Butterfly, Vanessa Antiopa 56 



Remarks on Eucalyptus marginata 88 



Blake, Theodore A. — Notes on Alaska 13 



Blake, Dr. James. — Remarks on Atmospheric Phenomena, etc 28, 61 



Remarks on the Climate of California 110 



On the Silk Worm Disease in France 117 



Climate of the North Pacific Ocean 128 



Remarks on Fossil Trees at Calistoga 139 



Remarks on recent Meteorological Disturbance 140 



On the connection of the Meteorology of California and the Sandwich 



Islands 148 



Remarks on Shell-Mounds in Contra Costa County 156 



Observations on Variations of the Barometer, etc 166 



On Diatoms in a Hot Spring 183 



Columnar Dolerite 183 



Remarks on Diatoms and Red Algae 189 



Remarks on Animal Life in Hot Springs 190 



On the Temperature of, and Algse in Hot Springs 193 



On Deposits made by Hot Springs 197 



On some recently discovered Aboriginal Implements 221 



On the Absence of a Rim to the Great Basin, etc 223 



Remarks on the Geology of Napa County 224 



Remarks on the Divide between the Great Basin and the Columbia 



River 243 



Remarks on the Topography of the Great Basin 276 



Bloomer, H. G.— On the Wild Parsnip 86 



BoLANDER, Henry N — Remarks on Botanical Gardens, etc 17 



Remarks on certain Botanical Species 52 



Remarks on a Trip among the Sierras 56 



On a Rise in the Waters of Mono Lake 89 



The Genus Melica in California 101 



