4310 



. PEOF. T. JEFFERY PARKER ON THE CRANIAL OSTEOLOGY, 



Figs. 65-70. The quadrate facet on the roof of the tympanic cavity, in various Eatitse. 

 Drawn to the same absolute size. 



als., alisphenoid ; pr.o., prootic; sq., squamosal; ex.oc, exoccipital. 

 Figs. 71-76. The optic and adjacent foramina in various Eatitse. Drawn to the same 

 absolute size. 



ii, optic foramen ; iii, oculomotor foramen ; iv, pathetic foramen ; 

 v^, orbitonasal foramen ; vi, abducent foramen ; a, foramen for internal 

 ophthalmic artery. 



List of Abbreviations. 



a.b.cr.fon. Position of anterior basicranial 

 fontanelle. 

 abd.for. Abducent foramen. 

 a.lamb.r. Anterior lambdoidal ridge. 

 al.n. Alinasal. 

 al.sph. Alisphenoid. 

 ang. Angular. 

 a.orb. Antorbital. 

 art. Articular. 



b.oc. Basioecipital. 

 b.pt.pr. Basipterygoid process. 



b.sph. Basisphenoid. 

 b.temp. Basitemporal. 

 b.temp.pl. Basitemporal platform. 



car. for. Carotid foramen. 

 cer.fos. Cerebellar fossa. 

 con.for. Condylar foramen or foramina. 



d. Dentary. 

 dor. sell. Dorsum sellae. 



eth. Ethmoid. 

 eus.gr. Eustachian groove. 

 ex.oc. Exoccipital. 



for.a. Foramen a. 



foss.b. Fossa b. , 



fr. Frontal. 



Hard.fos. Harderian fossa. 



inf.al.eth. Inferior aliethmoid. 

 inf.orb.for. Inferior orbital foramen. 

 inf.temp.r. Inferior temporal ridge. 

 int.aud.m. Internal auditory meatus. 



ju. Jugal. 



lac. Lacrymal. 

 lac.for. Lacrymal foramen. 



mam.tub. Mamillar tuberosity. 

 mesen.fos. Mesencephalic fossa. 



mes.eth. Mesethmoid. 

 m.temp.r. Mid-temporal ridge. 



inx. Maxilla. 

 mx.ju.ar. Maxillo-jugal arch. 

 mx.na. Maxillo-nasal. 

 mx.pal. Maxillo-palatine. 

 mx.pr. Maxillary process. 



na. Nasal. 

 na.pr. Nasal process. 



ocean. Occipital condyle. 



oc.cr. Occipital crest. 



oc.for. Oculomotor foramen. 



olf.ch. Olfactory chamber. 



op.for. Optic foramen. 



