SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE, VOL. xxxni. 



PLATE 31. 



FIG. i. 



FIG. 2. 



FIG. 3. 



CRANIUM OF MEGAPTERA NODOSA (BONNATERRE). LATERAL VIEW. 

 Fig. I. Type of M. bellieosa Cope. Fig. 2. Cape Cod, Mass., No. 21492 U. S. N. M. 

 Fig. 3. Cape Cod, Mass. (Milwaukee Public Museum.) 



