http://dl.ub.uni-freiburg.de/diglit/boas1908-1/0004
J. E.V. BOAS & SIMON PAULLI
THE
ELEPHANT'S HEAD
STUDIES IN THE COMPARATIVE
ANATOMY OF THE ORGANS OF THE
HEAD OF THE INDIAN ELEPHANT
AND OTHER MAMMALS
PUBLISHED AT THE COST OF THE CARLSBERG-FUND, COPENHAGEN
FIRST PART
THE FACIAL MUSCLES AND THE PROBOSCIS
WITH SEVENTEEN PLATES IN COLOURS
SOLD BY Mr. GUSTAV FISCHER, JENA
1908
http://dl.ub.uni-freiburg.de/diglit/boas1908-1/0004