362 CALIFORNIA ACADEMY OP SCIENCES [Proc. 4th Ser. 



Vol. II, Part II, No. 14, pp. 259-297 



The Ants of the Galapagos Islands, 

 by William Morton Wheeler. 

 Vol. II, Part II, No. 15, pp. 299-308 

 The Ants of Cocos Island, 



by William Morton Wheeler. 

 Vol. II, Part II, No. 16, pp. 309-310 



A New Species of the Hymenopterous Genus Scleroderma from the 

 Galapagos Islands, 



by Charles T. Brues. 

 Vol. VIII, No. 8, pp. 309-316 



Report of the President of the Academy for the Year 1918, 

 by C. E. Grunsky. 

 Vol. VIII, No. 9, pp. 317-351 



Report of the Director of the Museum for the Year 1918, 

 by Barton Warren Evermann, 

 Vol. IX, No. 1, pp. 1-36 



Notes on West American Chitons — II, 

 by S. Stillman Berry. 

 Vol. IX, No. 2, pp. 37-67 



Life-Zone Indicators in California, 



by Harvey Monroe Hall and Joseph Grinnell. 

 Vol. IX, No. 3, pp. 69-121 



Notes on Mammals collected principally in Washington and Cali- 

 fornia between the years 1853 and 1874 by Dr. James Graham 

 Cooper, 



by Walter P. Taylor. 

 Vol. IX, No. 4, pp. 123-173 



Climatic Relations of the Tertiary and Quaternary Faunas of 

 the California Region, 

 by James Perrin Smith. 

 Vol. IX, No. 5, pp. 175-196 



Contribution to the Optics of the Microscope, 

 by C. W. Woodworth. 

 Vol. IX, No. 6. pp. 197-220 



The Gopher-Snakes of Western North America, 

 by John Van Denburgh and Joseph R. Slevin. 

 Vol. IX, No. 7, pp. 221-255 

 New Oregon Diptera, 



by F. R. Cole and A. L. Lovett. 

 Vol. IX, No. 8, pp. 257-270 



Key to the North American Species of the Dipterous Genus Med- 

 eterus, with Description of New Species, 

 by Millard C. Van Duzee. 

 Vol. IX, No. 9, pp. 271-272 



Description of a New Fossil Fish from Japan, 

 by David Starr Jordan. 

 Vol. IX, No. 10, pp. 273-296 



Notes on the A\^FAUNA of the Inner Coast Range of California, 

 by Joseph Mailliard. 

 Vol. IX, No. 11, pp. 297-312 



New Species of Flies (Diptera) from California, 

 by J. R. Malloch. 

 Vol. IX, No. 12, pp. 313-329 



Mechanism in the Production of the Throat-Fan in the Florida 

 Chameleon, 



by Charles E. Von Geldern. 



