PROCEEDINGS 



Fourth Series 

 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 30, 1907) $ -25 



Pages 7-288. IL 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-xxr. 



(Issued October 7, 191 1) - 50 



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



John Van Denburgh. Plates xxii-xxx. (Issued January 



17, 1912) ^^ 



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



■ Stewart. Plates xxxi->cxxiv. (Issued January 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 



VOLUME II, Part I 

 Expedition of the California Academy of Sciences to the Galapagos 



Islands, 1905-19C6. 

 Pages 1-132. VIII. The Birds of the Galapagos Islands, with 

 * Observations on the Birds of Cocos and Clipperton Islands 

 (Columbiformes to Pelecaniformes). By Edward Winslow 



Gifford. Plates i-vii. (Issued August 11, 1913) ^-^ 



Pages 133-202. IX. The Galapagoan Lizards of the Genus Tropi- 



^ durus ; with Notes on the Iguanas of the Genera Conolophus and 



Amblyrhyncus. By John Van Denburgh and Joseph R. Slevin. 



Plates viii-xi. (Issued September 19, 1912) ^^ 



Pages 203-374. X. The Gigantic Land Tortoises of the Galapagos 

 Islands. Plates 12-124. By John Van Denburgh. (Issued 



September 30, I9^4) 



VOLUME III 



Pages 1-40 A Further Stratigraphic Study in the Mount Diablo • 

 Range of California. By Frank M. Anderson. Plate i. (Issued 

 October 31, 190S) 



Pages 41-48 Description of a New Species of Sea Snake from the 

 Philippine Islands, with a Note on the Palatine Teeth m the 

 Proteroglypha. By John Van Denburgh and Joseph C. Thomp- 

 son. (Issued December 31, 1908) 25 



