The Bulletin of the Department op Geolooy of the University of California is issued at 

 rregular intervals in the form of separate papers or memoirs, each embodying the results of re- 

 search by some competent investigator in geological science. These are made up into volumes of 

 from 400 to 500 pages. The pricf, per volume is $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 Press, to which remittances should 

 be addressed: — 



VOLUME 1. PRICB 



1. The Geology of Carmelo Bay, by Andrew C. Lawson, with chemical analyses and coop- 



eration in the field, by Juan de la C. Posada 25c 



2. The Soda-Ehyolite North of Berkeley, by Charles Palache . . . . . 10c 



3. The Eruptive Rocks of Point Bonita, by F. Leslie Eansome 40c 



4. The Post-Pliocene Diastrophism of the Coast of Southern California, by Andrew C. 



Lawson ' 40c 



5. The Lherzolite-Serpentine and Associated Eocks of- the Potrero, San Francisco, by ~\ 



Charles Palache ..... / in one 



6. On a Bock, from the Vicinity of Berkeley, containing a New Soda Amphibole, by f C0V .fn' 



Charles Palache ) Mc 



7. The Geology of Angel Island, by F. Leslie Eansome, with a Note on the Badiolarian 



Chert from Angel Island and from Buri-buri Eidge, San Mateo County, California, 



by George Jennings Hinde . . 45c 



8. The Geomorphogeny of the Coast of Northern California, by Andrew C. Lawson . . 30c 



9. On Analcite Diabase from San Louis Obispo County, California, by Harold W. Fairbanks 25c 



10. On Lawsonite, a New Eock-f orming Mineral from the Tiburon Peninsula, Marin County, 



California, by F. Leslie Eansome , ' . . . . 10c 



11. Critical Periods in the History of the Earth by Joseph LeConte 20c 



12. On Malignite, a Family of Basic, Plutonic, Orthoclase Eocks, Eich in Alkalies and 



Lime, Intrusive in the Coutchiching Schists of Poohbah Lake, by Andrew C. Lawson . 20c 



13. Sigmogomphius LeContei, a New Castoroid Rodent, from the Pliocene, near Berkeley, 



by John C. Merriam 10c 



14. The Great Valley of California, a Criticism of the Theory of Isostasy, by F. Leslie 



Eansome 1 . 45c 



VOLUME 2. 



.1. The Geology of Point Sal, by Harold W. Fairbanks 65c 



2. On Some Pliocene Ostracoda from near Berkeley, by Frederick Chapman . . 10c 



3. Note on Two Tertiary Faunas from the Eocks of the Southern Coast of Vancouver 



Island, by J. C. Merriam 10c 



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 . . ^ . . 10c 



5. The Geology of Point Eeyes Peninsula, by F. M. Anderson 25c 



6. Some Aspects of Erosion in Eelation to the Theory of the Peneplain, by W. S. Tangier 



Smith ... 20c 



7. A Topographic Study of the Islands of Southern California, by W. S. Tangier Smith 40c 



8. The Geology of the Central Portion of the Isthmus of Panama, by Oscar H. Hershey 30c 



9. A Contribution to the Geology of the John Day Basin, by John C. Merriam . . . 35c 



10. Mineralogical Notes, by Arthur S. Eakle 10c 



11. Contributions to the Mineralogy of California, by Walter C. Blasdale ... . 15c 



12. The Berkeley Hills. A Detail of Coast Eange Geology, by Andrew C. Lawson and 



Charles Palache 80c 



VOLUME 3. 



1. The Quaternary of Southern California, by Oscar H. Hershey 20c 



2. Colemanite from Southern California, by A rthur S. Eakle 15c 



3. The Eparchaean Interval. A Criticism of the use of the term Algonkian, by Andrew 



C. Lawson . . 10c 



4. Triassic Ichthyopterygia from California and Nevada, by John C. Merriam . . 50c 



5. A Contribution to the Petrography of the John Day Basin, by Frank C. Calkins . 45c 



6. The Igneous Eocks near Pajaro, by John A. Eeid 15c 



7. Minerals from Leona Heights, Alameda Co., California, by Waldemar T. Sehaller 15c 



8. Plumasite, an Oligoclase-Corundum Eock, near Spanish Peak, California, by Andrew C. 



Lawson 10c 



9. Palacheite, by Arthur S. Eakle 10c 



10. Two New Species of Fossil Turtles from Oregon, by O. P. Hay . . . \ In one cover. 



31. A New Tortoise from the Auriferous Gravels of California, by W. J. Sinclair / 10c 



12. .New Iehthyosauria from the Upper Triassic of California, by John C. Merriam . . 20c 



13. SpoJnmene from San Diego County, California, by Waldemar T. Sehaller . . . 10c 



14. The Pliovene and Quaternary Canidae of the Great Valley of California, by John C. 



Merriam ^ . 15c 



15. The Geomorphogejiy of the Upper Kern Basin, by Andrew C. Lawson .... 65e 



16. A Note on the Fauna „of the Lower Miocene in California, by John C. Merriam . . 05c 



17. The Orbicular Gabbro at JDehesa, San Diego County, California, by Andrew C. Lawson 10c 



18. A New Cestraciont Spine frofiJ the Lower Triassic of Idaho, by Herbert M. Evans . 10c 



19. A Fossil Egg from Arizona, by Wzn- Conger Morgan and Marion Clover Tallmon . . 10c 



20. Euceratherium, a New Ungulate from the Quaternary Caves of California, by William 



J. Sinclair and E. L. Furlong 10 



21. A New Marine Eeptile from the Triassic of California, by John C. Merriam . 



22. The Eiver Terraces of the Orleans Basin, California;,, by Oscar H. Her 



