Animal Parasites and Messmates

THE INTERNATIONAL SCIENTIFIC SERIES.
VOLUME XIX.
THE INTERNATIONAL SCIENTIFIC SERIES.
Works already Published.
THE INTERNATIONAL SCIENTIFIC SERIES.
PROFESSOR AT THE UNIVERSITY OF LOUVAIN, CORRESPONDENT OF THE INSTITUTE OF FRANCE.
WITH EIGHTY-THREE ILLUSTRATIONS.
NEW YORK:
D. APPLETON AND COMPANY,
549 & 551 BROADWAY. 1876.