EXPLANATION OF PLATE II. 



Fig. 9. ]*Iontezumia Huasteca Sauss., %. 

 9a. Its head 9 enlarged. 



Fig. 10. Jlontezumia Azteca Sauss., %. 

 10a. Its head % enlarged. 



Fig. 11. Montezumia ftlexicana Sauss., J, 



Fig. 12. Monobia Mangulata Sauss., 9. 



12a. Its head 9 enlarged. 



Fig. 13. Xortonia Tolteca Sauss., 9. 

 13a. Its head 9 enlarged. 



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