106 



COMPARATIVE OSTEOLOGY. 



SKELETON OF THE HOG (OMNIVOEA). 

 AXIAL SKELETON. 



Cranial Bones. a, Occipital, 1 ; 6, Parietal, 2 ; d, Frontal, 2 ; c, Temporal, 2 ; Sphenoid, 1 ; 

 Ethmoid, 1 ; Auditory ossicles, 8. 



Facial Bones, g, Nasal, 2 ; h, Os rostri, 1 ; /, Lachrymal, 2 ; e, Malar, 2 ; i, Maxilla, 2 ; k, Pre- 

 niaxilla, 2 ; I, Inferior maxilla, 1 ; Palatine, 2 ; Pterygoid, 2 ; Vomer, 1 ; Turbinals, 4 ; Hyoid 

 series, 5. Teeth : Incisors, 12 ; Canines, 4 ; Molars, 28. 



The Trunk. m, Cervicle vertebrae, 7 ; n, Dorsal vertebrae, 14 ; o, Lumbar vertebrae, 7 ; p, Sacrum 

 (four segments), 1 ; q, Coccygeal vertebras (variable), 18 ; r r, Ribs, 28 ; * Sternum (seven sternebrae), 

 1 ; * Costal cartilages. 



APPENDICULAR SKELETON. 

 PECTOKAL LIMB. 



v, Scapula, 2 ; w, Humerus, 2 ; x, Radius, 2 ; y, Ulna, 2. Carpus :z, Trapezium, 2 ; a', Cunei- 

 form, 2 ; b', Lunar, 2 ; c', Scaphoid, 2 ; d', Unciform, 2 ; e', Magnum, 2 ; /', Trapezoid, 2 ; (j, Pisiform, 

 2. Metacarpus: h', Bones, 8 ; Large sesamoids, 16. Digit: i', Proximal phalanges, 8 ; k', Median 

 phalanges, 8 ; I', Distal phalanges, 8 ; I", Small sesaraoids, 8. 



PELVIC LIMB. 



Pelvis. Os Innominatum : s, Ilium, 2 ; t, Pubis, 2 ; u, Ischium, 2. 



The Limb.m', Femur, 2 ; n', Patella, 2 ; o', Tibia, 2 ; p', Fibula, 2. Tarsus :q', Calcaneum, 3 ; 

 r', Astragalus, 2 ; *', Cuboid, 2 ; t', Cuneiforme magnum, 2 ; u', Ecto-cuneifonne, 2 : v' iv', Meso- and 

 Endo-cuneiformes, 4. Metatarsus : Large bones, 8 ; x', Small bones, 2 ; i/', Large sesamoids, 16. 

 Digit : Proximal phalanges, 8 ; Median phalanges, 8 ; Distal phalanges, 8 ; Small sesamoids, 8. 



VISCERAL SKELETON. 



None. 

 The separate bones of the Skeleton of the Hog, as here considered, are 324. 



