BONES. 



197 



MAIN TRUNK. 

 Ophthalmic. 



Palato-labial. 



COLLATERAL. 



Muscular of the eye, 

 ciliary and lachry- 

 mal. 



TERMINATION. 



Meniugeal and nasal 

 branches. 



Anastomose together, 

 and ramify in upper 

 lip. 



BONES. 



CENTERS OF OSSIFICATION. 



Vertebrae, two princi- 

 pal, and five or six 

 complimentary. 



Atlas, six. 



Sacrum, five vertebrae. 



Occipital, four. 



Parietal, two. 



Frontal, two. 



Sphenoid, two. 



Ethmoid, three. 



Temporal, three. 



Bones of ear, one. 



Supermaxillary, one. 



Teeth, one. 



Intermaxillary. 



Palate, one. 



Pterygoid, one. 



Zygomatic, one. 



Lachrymal, one. 



Nasal, one. 

 Turbinated, one. 

 Vomer, one. 

 Inferior maxillary, 



two. 

 Hyoid, seven. 

 Sternum, six. 

 Rib, three. 

 Scapula, two. 

 Humerus, six. 

 Radius, three. 

 Cubitus, two. 

 Carpus, all one apiece. 

 Principal metacarpal, 



two. 

 Small metacarpal, one. 

 Os suffraginis, two. 

 Os coronce, one. 

 Os pedis, one. 



Sesamoid, one. 

 Navicular, one. 

 Ossa innominata, 



three. 

 Ilium, two. 

 Ischium, two. 

 Pubis, one. 

 Femur, four. 

 Tibia, four. 

 Fibula, one. 

 Patella, one ; Tarsus, 



one, except Os cal- 



cis, two. 

 Principal metatarsal, 



two. 

 Small metatarsal, one. 

 Phalanges, one apiece. 

 Sesamoids, one apiece. 

 Navicular, one. 



