ACKNOWLEDGMENTS 



The author wishes to express his thanks to the following gentlemen who 

 at various times allowed him to examine their excellent collections, compare 

 specimens and obtain data as to distribution and records of capture: 



Mr. Chas. W. Leng, Stanton Island, N. Y.; Mr. Chas. Schaeffer, Brooklyn, 

 N. Y.; Mr. Alan S. Nicolay, Brooklyn, N. Y.; Mr. Henry G. Klages, Pitts- 

 burg, Pa.; Mr. Howard Notman, Brooklyn, N. Y. ; Mr. Chas. Liebeck, Phila- 

 delphia, Pa.; Mr. Henry W. Wenzel, Philadelphia, Pa.; Mr. Frank R. Mason, 

 Germantown, Philadelphia, Pa.; Mr. Chas. Drury, Cincinnati, Ohio; Colonel 

 Thomas L. Casey, Washington, D. C. ; Dr. A. Fenyes, Pasadena, Calif.; Dr. 

 E. C. VanDyke, Berkeley, California; Mr. Wm. T. Davis, Stanton Island, 

 N. Y. ; to Dr. Frank E. Lutz and Mr. A. Mutchler for the privilege of ex- 

 amining the collection of the Americau Museum of Natural History. To Dr. 

 Henry Skinner for the privilege of examining the material in the Philadel- 

 phia Academy of Science, including the type collection of Dr. Geo. H. Horn. 

 To Dr. E. A. Schwarz, Messrs. Barberand Fisher for the privileges extended 

 while at the U. S. National Museum. 



More especial thanks are due Mr. Chas. W. Leng, who has at various times 

 helped in placing obscure references, loaned certain books, identified speci- 

 mens and allowed specimens to be acquired from his own cabinet. To Mr. 

 Andrew Mutchler of the American Museum of Natural History, whose inti- 

 mate knowledge of literature on coleoptera was for many weeks most gen- 

 erously given and often brought to light obscure references which would have 

 otherwise, undoubtedly, escaped detection. To Mr. Chas. Schaffer of the 

 Brooklyn Museum, who repeatedly brought out the treasures of that institu- 

 tion for inspection and who most generously gave many rare forms of 

 Buprestidae from the SouthAvest. To Dr. A. Fenyes of Pasadena for speci- 

 mens and valuable data. To Mr. Alan Nicolay for some fine specimens. To 

 Mr. Henry W. Wenzel of Philadelphia for rare specimens and data. To Mr. 

 Howard Notman for the privilege of examining and acquiring specimens 

 from the Byers collection. To Mr. C. A. Frost of Framingham, Mass., for 

 comparing specimens with the Leconte types and furnishing notes on certain 

 species. To Dr. H. E. Burke for courtesies extended at the Forest Insect 

 Labortory at Los Gatos, California,and to Dr. E. C. VanDyke, of Berkeley, 

 for identifying doubtful material and for many notes on hosts and dis- 

 tribution of western species. To Prof. H. C. Fall for notes on his species. 



W. J. CHAMBERLIN, 

 Corvallis, Oregon, April, 1926. 



