LIST OF PERIODICALS CONSULTED. 



The following periodicals were examined carefully for articles upon 

 the subject of the bibliography from the first volume in each case to 

 the end of 1891 : 



Annalcn der Cliemie tind Pharniacie (Vol. /., i8j2'). 

 Berichte der deutschen Chemischen Gesellschaft ( J^ol. /. , 1S6S). 

 *Jahresber7(-hi uber die Fortschritte der Chcviie ( \'ol. I., iS^y). 

 Joitrnal of the Chemieal Society ( 1 'ot. /., iS^g). 

 Bidletin de la Societe ehimique de Paris ( ]'ol. /. , 186-/.). 



The following were consulted upon references : 



Comptes rendiis de l Academie des Sciences. 

 Annalen der Physik und Che?nie, Poggendorff. 



Journal of the American Chemical Society. 

 Joiunial fiir praktische Chemie. 



Archill der Pharmacie. 



Jahresbericht iiber die Fortschritte der Chemie, Berzelius. 



Chemical Nezvs. 



A m erica n Chem ica I Jo n rn a I. 



Annates de Chimie et de Physique. 



Of this 1887 was the last vohime published. 



