Vol. Ill was issued in parts in the following order: 



N". 1 — January 1881, Note I— XIII. 



N". 2 — April 1881, Note XIV— XXVI. 



N". 3 — July 1881, Note XXVII— XXXIII. 



N'\ 4 — October 1881, Note XXXIV— XXX VIII. 



