CONTENTS OF VOLUME VI. 

 Plates 1-17. 



PAGE 



Title-page i 



Contents iii 



Eocene of the Lower Cowlitz River Valley, Washington 1 



By Charles E. Weaver. 

 (Published May 6, 1916) 



The Post-Eocene Formations of Western Washington 19 



By Charles E. Weaver. 



(Published May 6, 1916) 



The Oligocene of Kitsap County, Washington 41 



By Charles E. Weaver. 

 (Published May 6, 1916) 



The Pacific Coast Races of the Bewick Wren 53 



By Harry S. Swarth. 



(Published May 8, 1916) 



Monograph of the North American Species of Orthotylus (Hemip- 



tera) 87 



By Edward P. Van Duzee. 



(Published May 8, 1916) 



A Catalogue and Host List of the Anoplura 129 



By G. F. Ferris. 

 (Published May 12, 1916) 



Four Species of Salamanders new to the State of California, with a 

 Description of Plethodon elongatus, a New Species, and Notes 



on other Salamanders 215 



By John Van Denburgh. 

 (Published May 12, 1916) 



Report of the President of the Academy for the Year 1916 223 



By C. E. Grunsky. 



(Published June 23, 1917) 



Report of the Director of the Museum for the Year 1916 229 



By Barton Warren Evermann. 



(Published June 23, 1917) 



Index 295 



July 6, 1918 



