SKELETON OF THE HOG (Omnivora). 



Axial Skeleton. 



the skull. 



Cranial Bones. — a. Occipital, 1; b, Parietal, 2; d. Frontal, 2; c, Temporal, 2; 

 Sphenoid, 1; Ethmoid, 1; Auditory ossicles, 8. 



Facial Bones.— g. Nasal, 2; h, Os rostri, 1; f. Lachrymal, 2; e. Malar, 2; i. 

 Maxilla, 2; k, Preuiaxilla, 2; I, Inferior maxilla, 1; Palatine, 2; Pterygoid, 2; 

 Vomer, 1; Turbinals, 4; Hyoid (segments), 5. Teeth— Incisors, 12; Canines, 4; 

 Molars, 28. 



The Trunlu—m, Cervicle vertebrae, 7; n. Dorsal vertebrae, 14; o, Lumbar verte- 

 brae, 7; p. Sacrum (four segments), 1; q. Coccygeal vertebrae (variable), 18; r r. 

 Ribs, 28; ♦ Sternum (seven sternebrse), 1; •> Costal cartilages. 



Appendicular Skeleton, 

 pectoral limb. 



r. Scapula, 2; w. Humerus, 2; x, Radius, 2; y, Ulna, 2. Carpus— s^. Trapezium, 

 2: a', Cuneiform, 2; 6', Lunar, 2; c', Scaphoid, 2; d', Unciform, 2; e', Tilagnum, 

 ;i; r. Trapezoid, 2; j/', Pisiform, 2. Metacarpus— ft', Bones, 8; Large sesamoids, 

 16. Digit— t'. Proximal phalanges, 8; fc', Mesian phalanges, 8; V, Distal pha- 

 langes, 8; I", Small sesamoids, 8. 



PELVIC LIMB. 



Pelvis.— Os Innominatum— s. Ilium, 2; t, Pubis, 2; m. Ischium, 2. 



The Limb.—m', Femur, 2; n', Patella, 2; o', Til)ia, 2; p', Fibula, 2. Tarsus— fl', 

 Calcaneum, 3; r'. Astragalus, 2; s'. Cuboid, 2; r, Cuneiforme magnum, 2; m', 

 Ecto.cunei forme, 2; v' w', Meso- and Endocuneiformes, 4. Metatarsus— Large 

 bones, 8; x'. Small bones, 2; j/'. Large sesamoids, 16. Digit— Proximal pha- 

 langes, 8; Mesian 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. 



( 492 ) 



