142 



SKELETON OF THE OX 



upper and lower parts than in the horse. The mastoid foramen is at the junction 

 of the occipital and temporal bones; it is frequently very small. 



^^r\"v> 



Fig. 138. — Cranium of Jersey Cow, Ntjchal View. The Fig. 139, — Cranium of Polled Angus Cow, Nuchal 

 Greater Part op the Processus Cornus has been View. 



Sawn Off. 

 1, Foramen magnuin; 2, occipital condyle; 3, paramastoid process; 4, bulla oasea; 5. meatus acusticus externus; 

 6, mastoid foramen; 7, external occipital protuberance; 8, median occipital crest; 9, linea nuchse superior; 10, frontal 

 eminence. 



^/ 



Nasal bone 



Sutural hone 

 Maxilla 



Dorsal meatus 



Middle meatus 



Dorsal part of ventral turbinate 

 Basal lamella 



/\ Ventral part of ventral 

 turbinate 



Fig. 140. — Cross-section of Nasal Region of Skull of Ox. Section P.asses Through Facial Tuberosity and 



Third Cheek Tooth. 



1, Cartilage of septum nasi; 2, vomer; 3, ventral meatus; 4, anterior extremity of maxillary sinus; 5, palatine 

 sinus; 6, infraorbital canal and nerve; 7, palatine process of maxilla. Dotted lines indicate mucous membrane which 

 closes gap in bony floor of nasal cavity. 



The cranial cavity is shorter and its long axis is more oblique than in the horse, 

 but it is relatively high and wide. The anterior fossa lies at a much higher level 



