THE HOME OF THE NATIONAL GEOGRAPHIC SOCIETY 



An Association organized for "the increase and diffusion of geographic knowledge, 

 with headquarters at Washington, D. C. 



Half-Tone, Line, and Color Engraving for Magazines and Books 

 We Invite Correspondence 



The BECK E NGR AVING CO. 



H ^^^^S^^^H Incorporated EHBIH^HHH^^H^HBHl 



147-49-51 North Tenth Street 

 PHILADELPHIA, PENNA. 



Special Care Given to the Making of Illustrations of Geographic 

 and Scientific Subjects 



