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 Denbuyghy (Ussved December 20,1 OM) tae ot teloetlie else 
Pages 7-288. II. A Botanical Survey of the Galapagos Islands. 
By Alban Stewart. Plates 1-x1x. (Jssued January 2, 19/1)... 
Pages 289-322. III. The Butterflies and Hawk-Moths of the 
Galapagos Islands. By Francis X. Williams. Plates XxX-XxI. 
(Ussued October: Te LOLL Wis Meals ieieiateeioeatee eisietersr sie siete nse ee 
Pages 323-374. IV. The Snakes of the Galapagos Islands. By 
John Van Denburgh. Plates xx11-xxx. (Jssued January /7, 1912) 
Pages 375-404. V. Notes on the Botany of Cocos Island. By 
Alban Stewart. Plates xxxI-xxxIv. (/ssued January 19, 1912) 
Pages 405-430. VI. The Geckos of the Galapagos Archipelago. 
By John Van Denburgh. (Jssued April 16, J972).....2...%.- 
Pages 431-446. VII. Notes on the Lichens of the Galapagos 
Islands By Alban Stewart. (/sswed December 17, 1912)...... 
