vi Introduction 



tratioiis and other details of the book. ThoiLgJi this lamejited 

 event has delayed its appearance, I have been enabled to sec2ire 

 the aid of valued assistants who have carried the work through. 

 I have added to the ojHginal plan a biographical sketch of 

 Doctor Goode, by Doctor David Starr Jordan, P^rsidcnt of the 

 Leland Stanfoi^d Junior University. 



S. P. LANG LEY, 



Secretary. 

 Smithsoniaji Lnstitution, 



Washington, June 23, 1897, 



