Explcinstory Note 



Tlie ssrios embodisc r-is^alta of in-Tstigations, nfiually of 

 restrict.8.1 scope, int3nded to aid ox- JiL^ect Tnan^i^-^Tnent or 

 utilization •DVz.ctic.sB .--n.:! as guides for adr.inistrativn or 

 le^iolati'/e action. It is issued in iiTiitad quantities for the 

 of ricia?. use of Federal, State or cooperating agencies and in 

 proGos^sed forn-; for econoniy and to uvoid delaj in publication. 



Vfeshin^ton, D. C. 

 January 1951 



