PSYCHE 



[Est:il)lislie(l in 1S74] 



Vol. 9, No. 301 



May, 1 90 1 



CONTENTS 



A COURAGEOUS BUTTERFLY, Oeneis semidea (Plate i) — Samuel II. Scuddcr . 195 



Variation in Tridactylus (Illustrated) — A. P. Morse ... . . 197 



PuLviNARiA innumerabilis Rathv. — George B. King ...... 199 



Life Histories of North American Geometridae, XXII — Harrison G. Dyar zot, 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB 



Camhiudce, Mass., U. S. A. 



YEARLY SUBSCRIPTIONS. $;. VOLUME, $5. MONTHLY NUMIJKRS. 



f Entered as second class mail matter] 



