A detail from the January Week 1 page showing the decorative border, which repeats on every fourth page throughout most of the book. A cat stands on a skull.
N nasal. F frontal. P parietal. O occipital. Z zygomatic arch. B audital bulla. Mx Maxillary. PMx premaxillary. I incisors. M molars. CP coronoid process. C [...]