IS 



OSTEOLOGY. 



SKELETON OF THE HORSE (Solidungula). 



Axial Skeleton, 

 the skull. 

 Cranial Loncs.—a, Occipital, 1; h, Woniiiaii, 1; c, Tarietal, 2; d, Frontal, 2; e, Temporal, 2; 

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



Facial Bones.— h, Xasal, 2 ; rj, Lachrymal, 2 ; /, Malar, 2 ; i, Superior maxilla, 2 ; ;.-, PremaxUla, 

 2 ; Palatine, 2 ; Pterygoid, 2 ; Vomer, 1 ; Turbinal.s, i ; I, Inferior maxilla, 1 ; Hyoid (segments), 5. 

 Teeth :-ni, Incisors, 12 ; n, Cauiiies, 4 ; o, Molars, 24. 



The Trunk.— 2)-v, Cervical vertebra, 7 ; u; Dorsal vertebrae, IS ; .r, Lumljer vertebrte, (J ; 

 1/, Sacrum, 1 ; z, Coccygeal vertebrae (variable), IS ; d a, Kibs, 36 ; * Sternum (0-7 Steruebrse), 1 ; 

 i;}* Costal Cartilases. 



Appendicular Skeleton, 

 pectoral limb. 

 c', Scapula, 2 ; /', Humerus, 2 ; (/, Radius, 2 ; h'. Ulna, 2. Carpus :— i', Trapesium, 2 ; A', Cunei- 

 form, 2 ; r. Lunar, 2 ; m'. Scaphoid, 2 ; n', Unciform, 2 ; o', Magnum, 2 ; p'. Trapezoid, 2 ; 

 q, Pisiform, 2. Metacarpus :—i-', Large bone, 2; s'. Small bone, 4. Digit:— «', Proximal 

 phalanges, 2 ; v, Median phalanges, 2 ; vf, Distil phalanges, 2, t', Large sesamoids, 4 ; Small 

 sesamoids, 2. 



PELVIC LI JIB. 



Pelvis.— Os. Innominatum -.-h'. Ilium, 2 ; cV, Ischium, 2 ; c', Pubis, 2. 



The Limh.—y', Femur, 2 ; z', Patella, 2 ; a", Tibia, 2 ; h", Fibula, 2. Tarsus :— c", Calcaneum, 2 ; 

 d", Astragalus, 2 ; e", Cuboid, 2 ; /", Cuneiforme magnum, 2 ; g", Cuueiforme medium, 2 ; 

 h", Cuneiforme parvum, 2. Metatarsus :— Large bone, 2 ; Small bone, 4. Digit :— Proximal 

 phalanges, 2 ; Median phalanges, 2 ; Distal phalanges, 2 ; Large sesamoi(.?s, 4 ; Small sesamoids, 2. 



Tiie Horse's .Skeleton, as here considered, consists of 256 parts. 



