The Bulletin of the Department of Geology of the University of California is issued at 

 irregular 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 price 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. PK[CH 



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 Bocks of Point Bonita, by F. Leslie Eansome 40o 



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



Lawson 40c 



5. The Lherzolite-Serpentine and Associated Bocks of the Potrero, San Francisco, by 



Charles Palache 



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



Charles Palache 



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



Chert from Angel Island and from Buri-buri Bidge, 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 25o 



10. On Lawsonite, a New Bock-forming 'Mineral from the Tiburon Peninsula, Marin County, 



California, by F. Leslie Bansome 10c 



11. Critical Periods in the History of the Eartk by Joseph LeConte 20o 



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



Lime, Intrusive in the Coutehiching Schists of Poohbah Lake, by Andrew C. Lawson . 20o 



13. Sigmogomphius LeContei, a New Castoroid Bodent, 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 



Bansome 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 Bocks 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 Beyes Peninsula, by F. M. Anderson . . . _ . . . 25c 



6. Some Aspects of Erosion in Belation 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 40e 



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 Bange 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 Arthur 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 Bocks near Pajaro, by John A. Beid 15c 



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



8. Plumasite, an Oligoclase-Corundum Bock, 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. 



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



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



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



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



Merriam 15c 



15. The Geomorphogeny of the Upper Kern Basin, by Andrew C. Lawson .... 65c 



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



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



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



19. A Fossil Egg from Arizona, by Wm. 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 10o 



21. A New Marine Eeptile from the Triassic of California, by John C. Merriam . . 05c 



22. The Biver Terraces of the Orleans Basin, California, by Oscar H. Hershey . . . 35c 



