﻿U S NATIONAL MUSEDM 



PROCEEDINGS. VOL 102 PLATE 1 



Lepidurus arclicus, ? , from Ooglamie, Alaska (U.S.X.AI. No. 7903), dorsal view, X 4. 

 3. Lepidurus couesii, (^ , from Montana, cotype (Stockholm Mus.), dorsal and ventral 

 views. X 3. endites of first pair of legs partly broken. 



