ABBREVIATIONS FOR ILLUSTRATIONS 



a. Broken surface through olfactory roots. 



a.p. Promontory ramus of internal carotid artery, 



a.v. Aquaeductus vestibuli. 



b. Internal cast of tympanic bulla (incomplete). 



c. Vascular canal between cranio-orbital foramen and postglenoid 



foramen, 

 c.f. Contents of condylar foramen (inch hypoglossal (XII) nerve and 



veins). 



d. Contents of sphenoidal fissure or foramen lacerum anterius (inch 



nerves III, IV, V, and VI, and ophthalmic vein) and foramen 



rotundum (inch nerve V 2 ). 



e.a.m. External auditory meatus. 



ExO. Exoccipital. 



f.i.c. Foramen for internal carotid artery, 



fl. Flocculus of cerebellum, 



f.l.p. Contents of foramen lacerum posterius (inch nerves IX, X, and XI, 



and internal jugular vein) plus aquaeductus cochleae, 



f.m. Broken surface through medulla oblongata at foramen magnum, 



f.o. Contents of foramen ovale (inch nerve V 3 ). 



f.p. Fissura prima? 



f.rh. Fissura rhinalis. 



f .sty. Stylomastoid foramen, 



h.f. Greater superficial petrosal nerve at the hiatus Fallopii or canalis- 



facialis, 



hy. Hypophysis. 



i.a.m. Contents of internal auditory meatus (inch nerves VII and VIII). 



i.p.s. Inferior petrosal sinus. 



1.1. Lateral lobe of cerebellum or cerebellar hemisphere, 



lat.s. Lateral or transverse sinus, 



long.s. Longitudinal or saggital sinus. 



M. Mastoid portion of periotic. 



m.o. Medulla oblongata. 



O.C. Occipital condyle, 



o.ch. Optic chiasma. 



o.f. Optic nerve (II) at optic foramen. 



p.f. Paramedian fissure, 



p.l. Pyriform lobe, 



p.s.f. Parietosquamosal foramen, 



p.s.s. Trace of parieto-supraoccipital suture. 



Sq. Squamosal, 



s.l. Sulcus lateralis, 



s.s. Sulcus suprasylvius ? 



t.h. Torcular Herophili or confluens sinuum. 



Ty. Tympanic bulla, 



v.c. Vermis cerebelli. 



x. Anterior aperture of canal between inferior petrosal sinus and "Fx" 



of Hiirzeler. 



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