69. a) Mandible with basal process truncate apically (Figure 98a) ..... M. (Xanthosarus) fortis Cresson

b) Mandible with basal process pointed apically (Figure 98b) ..... 70

Figure 98a
Figure 98b

Figure 98a: Mandible with inferior process truncate
Click to Enlarge →           a

Figure 98b: Mandible with inferior process pointed
Click to Enlarge →           b