

VOLUME I 



Expedition of the California Academy of Sciences to the 

 Galapagos Islands, 1905-1906. 



Pages 1-6. I. Preliminary Description of Four New Races of 



Gigantic Land Tortoises from the Galapagos Islands. By John 



Van Denburgh. {Issued December 20, 1907) $ .25 



Pages 7-288. II. A Botanical Survey of the Galapagos Islands. 



By Alban Stewart. Plates i-xix. {Issued January 20, 1911). .. 1.75 

 Pages 289-322. III. The Butterflies and Hawk-Moths of the 



Galapagos Islands. By Francis X. Williams. Plates xx-xxi. 



( Issued October 7, 1911) 50 



Pages 323-374. IV. The Snakes of the Galapagos Islands. By 



John Van Denburgh. Flates \xii-xxx. {Issued /anuaty 17, 1912) .50 

 Pages 375-404. V. Notes on the Botany of Cocos Island. Bv 



Alban Stewart. Plates xxxi-xxxiv. {Issued /anuary 19, 1912) .35 

 Pages 405-430. VI. The Geckos of the Galapagos Archipelago. 



By John Van Denburgh. ( Issued April 16, 1912) 35 



Pages 431-446. VII. Notes on the Lichens of the Galapagos 



Islands By Alban Stewart. {Issued December 17, 1912) 25 



