PLATE VIII 



THE INTERO'LATERAL PLATES OF DIHICHTHTS CURTUS Nwb. 

 American Museum of Natural History, No. 7895. 

 Fig. 20. This intero-Iateral plate seen from the outside. 

 Fig. 21. The same from the inside. 



Compare with Text-figure 81. 



THE INTERO'LATERAL PLATE OF DIHICHTHTS TERRELLl Nwb. 

 From a specimen in the American Museum of Natural History. 

 Fig. 22. A part of the outside of this plate showing the superficial sculpture. 



Figures 1 and 2, natural size; figure 3, x3. 



