

MEMOIRS 



OF THE 



BOSTON SOCIETY OF NATURAL HISTORY; 



VOLUME III. NUMBER XL 



PALAEODICTYOPTERA ; OR THE AFFINITIES AND CLASSIFICATION 



OF PALEOZOIC HEXAPODA. 



WITH PLATES XXIX— XXXII. 



WINGED INSECTS FROM A PALEONTOLOGICAL POINT OF VIEW, 



By SAMUEL II. SCUDDER. 



BOSTON : 



PUBLISHED BY THE SOCIETY. 



April, 188-5. 



