PROCEEDINGS 



Fourth Series 



VOLUME I 



Expedition of the California Academy of Sciences to the Gala- 

 pagos 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 Gala- 

 pagos Islands. By Francis X. Williams. Plates xx-xxi. {Is- 

 sued October 7, 1911) 50 



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



Van Denburgh. Plates xxii-xxx. (Issued January 17, 1912) 50 



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



Alban Stewart. Plates xxxi-xxxiv. (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 n. Part I 



Expedition of the California Academy of Sciences to the Gala- 

 pagos Island,s, 1905-1906. 



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

 servations on the Birds of Cocos and Clipperton Islands (Colum- 

 biformes to Pelecaniformes). By Edward Winslow Gifford. 

 Plates i-vii. (Issued August 11, 1913) 1.00 



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, 191 3) 50 



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

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

 September 30, 1914) 2.00 



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, 1908) ;., 35 



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

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

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

 son. (Issued December 31, 1908) 25 



Pages 49-56. New and Previously Unrecorded Species of Reptiles 

 and Amphibians from the Island of Formosa. By John Van 

 Denburgh. (Issued December 20, 1909) 2^ 



Pages 57-72. Water Birds of the Vicinity of Point Pinos, California. 



By RoUo Howard Beck. (Issued September 17, 1910) 25 



