TABLE VIII. 
fig. I. 
The os ethmoides or cribriforme. 
A A procefs of the os ethmoides call'd crijla galli. 
B That part of the os ethmoides that is call'd planum. 
FIG. II. 
Another view of the fame bone. 
A Os planum which makes part of the orbit. B Os vomer. 
FIG. III. 
A The bafts of the os palati. 
The os palati. 
B That part of the os palati that lies in 
fig. mi. 
The vomer. 
A The bafts of the vomer. B That part of it next the eye. 
C That part of it next the roof of the mouth. 
fig. y. 
the orbit. 
The os fphenoides. 
A A The concave part of the os fphenoides. B B The anterior clinoid procefes. 
C Sella turcica. D D The foramina , through which the optic nerves pafs. 
E E The third foramina of the full , through which paffes the fecond branch of the fifth pair 
of nerves . 
F F The fourth foramina of the fcull, call'd foramina ovalia , through which pafes the third 
branch of the fifth pair of nerves. 
G G The external ala of the pterygoid proceffes. 
H The internal alee of the pterygoid proceffes. 
I Proceffus innominati , over which the tendons of the pterygoflaphylini mufcles are refleBed. 
FIG. VI. 
A Sella turcica. B That part of the os fphenoides that joins to the os occipitis. 
C C The anterior clinoid proceffes. D D The external ala of the pterygoid proceffes. 
0 
E The internal ala. F Proceffus innominati of the pterygoid proceffes. 
G G The concave parts of the os fphenoides. 
H H Apophyfes fpinofa, which meet the offa petrofa. 
II Two foramina , through which an artery paffes to the nares. 
FIG. VII. 
A The convex part of the os fphenoides. B That part of it that makes the internal orbit. 
C The feptum of the fphenoidal firms. D D The internal ala of the pterygoid proceffes. 
E Proceffus fpinofus next the os petrofum. F The third foramen of the fcull. 
G G The external ala of the pterygoid proceffes. H The firft foramen of the fcull. 
I Proceffus innominati. K The fphenoidal firms. L Foramen lacerum. 
M The foramen through which an artery paffes to the nofe. 
FIG. VIII. 
A A That part of the fphenoides that makes part of the orbit of the eye. 
B B The convex part of the os fphenoides. C The Septum of the fphenoidal finus. 
D D Tloe fourth foramina of the fcull. E E Proceffus fpinofi which join to the offa petrofa. 
F F The external ala of the pterygoid proceffes. G The internal ala. 
FI The firfl foramen of the fcull. I Foramen lacerum. K The fphenoidal finus. 
L Tloe third foramen of the fcull. 
M The foramen through which the artery paffes to the nofe. 
