SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE, VOL. xxxm. 



PLATE 39. 



FIG. i. 



FIG. 3. 



FIG. 4. 



MEGAPTERA NODOSA (BONNATERRE). SNOOK'S ARM, NEWFOUNDLAND. 

 Fig. I. No. 5, $ . Figs. 2 and 3. No. 6, 9 . Fig. 4. No. 21, S . 



