True. — The fossil cetacean, Dorudon serratus. 



PLATE 2. 



Dorudon serratus Gibbes. 



Nasals. Superior aspect. 



Orbital plate of right frontal (three pieces). Superior aspect. 



Portion of right parietal, showing occipital and sagittal crests. Superior 



aspect. 

 Portion of left zygomatic process. Lateral aspect. 

 Portion of periotic ? 

 Right lower canine, or incisor, with fragment of mandible. Lateral 



aspect. (Gibbes, 1847, Plate 3, figure 2.) 

 Figs. 7-12. Teeth more or less broken. The crown of figure 7 has been restored 



incorrectly. (Figure 7 = Gibbes, 1847, Plate 2, figure 1. Figure 8 = 



Gibbes, Plate 4, figure 3.) 

 Fig. 13. Atlas. Anterior aspect. 



