112 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1922. 



consolidate the numerous independent agencies to the end that all 

 ma}^ be benefited. By combined effort much duplication of labor 

 and cost would be saved, and most important of all, bibliographers, 

 students, and industrial agencies would be furnished with prompt 

 and authoritative information regarding the literature of the sub- 

 jects relating to their several interests. 

 Very respectfully yours, 



Leonard C. Gunnell, 



Assistant in Charge. 

 Dr. Charles D. Walcott, 



Secretary, Smithsonian Institution. 



