﻿EXPLANATION OF ABBREVIATIONS AND SIGNS. 



The abbreviations of titles of periodicals used in Sections III. and IV. 

 will be found on pages 1159-1164 of the Bibliography. 



* prefixed to a title indicates a work in the private library of the 

 editor. 



t following a date signifies current at that date. 



II following a date signifies publication discontinued. 



Ill, illustrated. 



PI., plates. 



Fol., 4to, 8vo, etc. The sizes given are only approximate, having been 

 taken largely from catalogues using different standards. 



Bibl., Select Bibliography of Chemistry, 1893. 



Pagination is given only of those works examined by the editor or by a 

 collaborator. 



Cross-references in a given Section refer to works in the same Section 

 unless otherwise stated. 



