MEMOIRS OF 
THE CONNECTICUT ACADEMY 
OF ARTS AND SCIENCES 
VOLUME VII 
DEC£MBER, 1920 
The Appendages, Anatomy, and Rela- 
tionships 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 
V 
NEW HAVEN, CONNECTICUT 
PUBLISHED BY THE 
CONNECTICUT ACADEMY OF ARTS AND SCIENCES 
AND TO BE OBTAINED ALSO FROM THE 
YALE UNIVERSITY PRESS 
