172 FORMATION AND EARLY GROWTH OE THE BONES OF THE HUMAN FACE. 
Fig. 8. Right inferior maxilla from human foetus (8 inches long), inner surface : a and c 
as before ; b, groove for the remains of Meckel’s cartilage ; d, mylohyoidean 
ridge (3 '5 linear). 
Fig. 9. Front of palate from the skull of a Monkey, showing the relations of the pree- 
maxillary bones (natural size). 
Fig. 10. The same parts of the skull of a Dog (half natural size). 
PLATE XIV. 
Fig. 1. Front of palate from the skull of a Hare, showing the relations of the prae- 
maxillary bones (natural size). 
Fig. 2. The same parts of the skull of a Sow (one-quarter natural size). 
Fig. 3. The same parts of the skull of a Sheep (one-third natural size). 
Fig. 4. The same parts of the skull of a Kangaroo (natural size). 
Fig. 5. Right superior maxilla from human foetus (4 - 7 inches long) : a, inner wall of 
antrum ; b, incisor process ; c, fissure for intermaxillary bone (3-5 linear). 
Fig. 6. Left superior maxilla from human foetus (4‘7 inches long) : a, inner wall of 
antrum, continuous with the palate ; b, incisor process ; c, intermaxillary 
bone (3 - 5 linear). 
Fig. 7. Incisor process (b) and fissure for intermaxillary from the same specimen as 
fig. 1, viewed from the front ; e, infraorbital notch (3’5 linear). 
Fig. 8. Right superior maxilla from human foetus (9 inches long) : d, fissure extending 
into the orbital portion of the bone, and indicating the line of extension of 
the cavity of the antrum (3 ’5 linear). 
Fig. 9. Left superior maxilla from human foetus (6 '7 inches long): c, intermaxillary 
bone joined, with the exception of its apex, by its front border to the maxilla 
the posterior margin is free (3-5 linear). 
Fig. 10. Left superior maxilla from human foetus (9 inches long) : c, intermaxillary bone 
completely united in front to maxilla ; g, canal which extends for a short 
distance beneath the intermaxilla ; A, plates of bone belonging to the inter- 
maxilla, which assist in bounding the incisor sockets (3‘5 linear). 
Fig. 11. Front view of right superior maxilla of human foetus (9 inches long), showing 
the plates of bone which form the front wall of the incisor and canine sockets 
and which extend to the alveolar plate ; f, canine notch ; e, infraorbital notch 
or fissure (3 - 5 linear). 
