DEVELOPMENT OF THE SKULL IN THE BATRACHIA. 
265 
OG.C. 
Occipital condyle. 
px. 
o.fo. 
Orbital fontanelle. 
py- 
O.p. 
Oral papillae. 
( b 
o.r. 
Oval rugae. 
q.C. 
or.p. 
Orbitar process. 
q.j. 
o.s. 
Orbito-sphenoid. 
s.mx. 
o.s.f. 
Orbito-splienoidal fontanelle. 
s.n. 
ot.p. 
Otic process. 
s.n.l. 
p. 
Parietal. 
s.o. 
pa. 
Palatine. 
s.ob. 
pa.s. 
Parasplienoid. 
s.of 
pd. 
Pedicle. 
sp. 
pdf 
Facet for pedicle. 
sp.c. 
pd.m. 
Meniscus of pedicle. 
sq. 
p.e. 
Perpendicular ethmoid. 
s.st. 
P9- 
Pterygoid. 
st. 
pg.c. 
Pterygoid cartilage. 
st.h. 
p.mx. 
Palatine portion of maxillary. 
t.cr. 
p.n. 
Prenasal. 
tg. 
p.ob. 
Preorbital. 
t.hy. 
p.p. 
Palatine papilla. 
Ir. 
p.pcj. 
Palato-pterygoid. 
t.tij. 
pr.o. 
Prootic. 
tyf 
pr.pa. 
Pre-palatine. 
U.l 1 ' 3 
p.rh. 
Pro-rhinal. 
U.l a ' b . 
p.s.c. 
Posterior semicircular canal. 
V. 
pt.o. 
Pterotic. 
vb. 
pt.pa. 
Post-palatine. 
vs. 
p.v. 
Posterior velum. 
MDCCCLXXXI. 
2 M 
Premaxillary. 
Pituitary region. 
Quadrate. 
Quadrate condyle. 
Quadrato -j ugal. 
Septo-maxillary. 
Septum nasi. 
Subnasal lamina. 
Supraoccipital. 
Superorbital. 
Suborbital fenestra. 
Suspensorium. 
Spiracular cartilage. 
Squamosal. 
Supra-stapedi al. 
Stapes. 
Stylo-liyal. 
Tegmen cranii. 
Tongue. 
Thyro-hyal. 
Trabecula. 
Tegmen tympani. 
Tympanic floor. 
Permanent upper labials. 
Temporary upper labials. 
Vomer. 
Vestibule. 
Blood vessel. 
