INDEX TO THE TABLES 



When the consulter finds in this index an entry which interests 

 him, let him note the reference figures or "classification number" 

 opposite such entry, then turn to the same figures in the "Tables" 

 which form the first part of this work. These will easil}^ be found, 

 because they are arranged in numerical order from 1 to the end. 

 Having turned in the Tables to the figures of the index entry, there 

 will l)e found a complete statement of the number, series, bureau, etc., 

 by which the publication indexed is known, and also its exact title and 

 histor3^ 



For a full explanation of the "classification numbers" used as refer- 

 ence figures in this index, see pp. 8-15, without a careful perusal of 

 which the best results can not be obtained in using" this index. 



137 



