Fig. 62.—Beloid cranium.
IV. Rhomboid.—This form is similar to the pentagonoid, excepting that the parietal breadth is much more notable in proportion to the forehead, which is much narrowed and has lost its nodules.
Fig. 63.—Ovoids (classified by Sergi).
Fig. 64.—Pentagonoides acutus (Sergi's collection).
Fig. 65.—Beloides lybicus (classified by Sergi).
Fig. 66.—Platycephalus orbicularis (classified by Sergi).