Dr. 73,7, Davenport,

Boston

IN THE PURITY OF FOOD AND DRUGS, AND IN GENERAL

ANALYTICAL AND MICROSCOPICAL RESEARCH.

EDITED BY

G. W. WIGNER, F.I.C., F.C.S., LONDON AND AMERICA,

ONE OF THE

Hon. Secretaries of the Society of Public Analysts;

AND

J. MUTER, Ph.D., F.I.C., F.C.S.,

Vice-President of the Society of Public Analysts.

VOL. VI.

1881.

LONDON:

Published for the Proprietors, by Messrs. BAILLIERE, TINDALL & COX,

King William Street, Strand, W.C.

CATALOGUED

30% 1918

LONDON:

J. DAVIS, PRINTER, STEAM WORKS, 201, OLD KENT ROAD.