EXPLANATION OF PLATE I. 



Fig. 1. Zetlius (Zetliusculus) Aztecus Sauss., %. 



la. Its head £ enlarged. 



Fig. 2. Zetlius (Zetliusculus) spinosus Sauss., 9. 



2a. Its abdomen enlarged. 



Fig. 3. Zetltus (Zetliusculus) Montezuma Sauss., 9. 



3a. Its head 9 enlarged. 



Fig. 4. Zetlius (Didymogastra) Poeyi Sauss., % . 

 4a. Its bead % enlarged. 



Fig. 5. Zetlius (Didymogastra) Cliicoteucatl Sauss., 9 



5a. Its abdomen enlarged, profile. 



Fig. 6. Eumenes (Pachymenes) Santa-Anna Scmss., 9 

 6a. Its head 9 enlarged. 

 Obs. By error this figure is marked % on the plate. 



Fig. 7. Eumenes regulus Sauss., 9. (Div. 0.) 

 7a. Its head % enlarged.' 

 lb. The profile enlarged. 



Fig. 8. Eumenes JWexicanus Sauss., 9 . (Div. 0.) 

 8a. Its head 9 enlarged. 



( 386 ) 



