162 



MAMMALIAN ANATOMY 



FIG. 107. 



Incisors. 



Anterior Palatine Foramina. 



Incisive Foramina. 

 Canine. 



. Premaxillary. 



Palate Process of Maxillary. 



Posterior Palatine. 

 Foramina. 



Second Premolar. 



First, Premolar. 



Infraorbilal Foramen, 



Alveolar Border. 



at I 



Third Premolar. 



Tuberosity. 

 Palatine. 

 Postorbital 

 Processe 



Presphenoid. 

 Basisphenoid. 



Zygoma. 

 Orbitosphenoid. 



Foramen Rotundum. 



Hamular Process 

 External Pterygoid 



Alisphenoid. 

 Foramen Ovale. 



W/i Auditory j 



m 



Bulla.' ill,/, 



Glenoid Cavity. 

 Postglenoid Process. 

 Postglenoid Foramen. 

 Canal of Huguier. 

 Glaserian Fissure. 

 Ectotympanic. 



Eustachian Opening. 



External Auditory Meatus. 



Basioccipital. 



Stylo-mastoid Foramen. 



Pit for Tympano-hyal. y 



Mastoid Process. 



Entotympanic. 



Paroccipital Process. ^T~ 



Condyle, ivith Atlas. 

 Foramen Magnum. 



With Entotympanic. 

 With Ectotympanic. 



Middle Lacerated Foramen. 

 Opening for Vidian Nerve. 

 Petrous. 



Petrous Hoof of Tympanum. 



Squamous Roof of Tympanum. 



Promontory. 



With Ectotympanic. 



Stylo-mastoid Foramen. 



\ 'Mastoid Process. 

 \Bridge. 



\ External Root of Septum. 

 Temporal. 



Aquxductus Fallopii. 

 Fenestra Rotunda. 

 'Exoccipital. 

 ^Jugular Foramen. 



Supraoccipital. 



Lambdoidal Ridge. Anterior Condyloid Foramen. 

 THE SKULL, LOWER ASPECT. 



