VOLUME VII DECEMBER, 1920

The Appendages, Anatomy, and Relationships of Trilobites

BY

PERCY E. RAYMOND, Ph.D.

ASSOCIATE PROFESSOR OF PALAEONTOLOGY, AND CURATOR OF INVERTEBRATE

PALAEONTOLOGY IN THE MUSEUM OF COMPARATIVE ZOOLOGY,

HARVARD UNIVERSITY

NEW HAVEN, CONNECTICUT

PUBLISHED BY THE

CONNECTICUT ACADEMY OF ARTS AND SCIENCES

AND TO BE OBTAINED ALSO FROM THE

YALE UNIVERSITY PRESS

MEMOIRS OF

THE CONNECTICUT ACADEMY OF ARTS AND SCIENCES