The Bulletin of the Department of Geology of th"e University of Cam 

 FORNIA is issued at irregular intervals in the form of separate papers or memoirs, each 

 embodying the results of research by some competent investigator in geological science. 

 It is designed to have these made up into volumes of from 400 to 500 pages. The price 

 per volume is placed at $3.50, including postage. The papers composing the volumes 

 will be sent to subscribers in separate covers as soon as issued. The separate numbers 

 may be purchased at the following prices from the University Librarian, J. C. Rowell, to 

 whom remittances should be addressed: — 



VOLUME I. 



No. 1. The Geology of Carmelo Bay, by Andrew C. Lawson, with chemical analy- 

 ses and cooperation in the-field, by Juan de la C. Posada . Price, 25c 

 No. 2. The Soda-Rhyolite North of Berkeley, by Charles Palache . . Price, 10c 

 No. 3. The Eruptive Rocks of Point Bonita, by F. Leslie Ransome . Price, 40c 

 No. 4. The Post-Pliocene Diastrophism of the Coast of Southern California, by 



Andrew C. Lawson ......... Price. 40c 



No. 5. The Lherzolite-Serpentine and Associated Rocks of the Potreo, San ~\ V. Qne 



Francisco, by Charles Palache . . . . . [ 



* • • ?~ cover 



No. 6. On a Rock, from the Vicinity of Berkeley, containing a New Soda f p . 



Amphibole, by Charles Palache . ... ) rnce ' 3 ° c 



No. 7. The Geology of Angel Island, by F. Leslie Ransome, with a Note on the 

 Radiolarian Chert from Angel Island and from Buri-buri Ridge, San 

 Mateo County, California, by George Jennings Hinde . . Pr.ce, 45c 



No. 8. The Geomorphogeny of the Coast of Northern California, by Andrew C. 



Lawson ........... Price. 30c 



No. 9- On Analcite Diabase from San Luis Obispo County, California, by Harold 



W. Fairbanks .......... Price, 25c 



No. 10. On Lawsonite, a New Rock -forming Mineral from the Tiburon Peninsula, 



Marin County, California, by F. Leslie Ransome . . . Price, 10c 



No. 11. Critical Periods in the History of the Earth, by Joseph Le Conte . Price, 20c 



No. 12. On Malignite, a Family of Basic, Plutonic, Orthoclase Rocks, Rich in Alka- 

 lies and Lime. Intrusive in the Coutchiching Schists of Poohbah Lake, 

 by Andrew C. Lawson ........ Price, 20c 



No. 13. Sigmogomphius Le Contei, a New Castoroid Rodent, from the Pliocene, near 



Berkeley, by John C. Merriam ....... Price, 10c 



No. 14. The Great Valley of California, a Criticism of the Theory of Isostasy, by 



F. Leslie Ransome . . . . '. . . . Price, 45c 



VOLUME II. 



No. 1. The Geology of Point Sal, By Harold W. Fairbanks . . . Price, 65c 

 No. 2. On Some Pliocene Ostracoda from near Berkeley, by Frederick Chap- 

 > ' man.. . '. . ., .. . . -'■ . . . .-. ■ " ■ . - ■ ^Pfice, ice 



No. 3. Note on Two Tertiary Faunas from the Rocks of the Southern Coast of 



Vancouver Island, by J. C. Merriam ...... Price, 10c 



No. 4. The Distribution of the Neocene Sea-urchins of Middle California, and Its 



Bearing on the Classification of the Neocene Formations, by John C. 



Merriam ........... Price, 10c 



No. 5. The Geology of Point Reyes Peninsula, by F. M. Anderson . . Price, 25c 

 No. 6. Some Aspects of Erosion in Relation to the Theory of the Peneplain, by W. 



S. Tangier Smith Price, 20c 



No. 7. A Topographic Study of the Islands of Southern California, by W. S. 



Tangier Smith . . . . . . . . . Price, 40c 



No. 8. The Geology of the Central Portion of the Isthmus of Panama, by Oscar H. 



Hershey . . . . . . . . . . . Price, 30c 



No. 9. A Contribution to the Geology of the John Day Basin, by John C. Merriam 



Price, 35c 



No. 10. Mineralogical Notes, by Arthur S. Eakle Price, 10c 



No. It. Contributions to the Mineralogy of California, by Walter C. Blasdale Price, ioc 



