SKELETON OF THE DOG (Carnivora). 

 Axial Skeleton, 

 the skull. 

 Cranial Bones.— a, Occipital, 1; h, Parietal, 2; c, Frontal, 2; k, Temporal, 2; 

 Sphenoid, 1; Ethmoid, 2; Auditorj- ossicles. 8. 



Facial Bones.— f. Nasal, 2; c, Lachr.vmal, 2; d, Malar, 2; h, Maxilla, 2; g, Pre- 

 maxilla, 2; i. Inferior maxilla, 2; Palatine, 2; Pterygoid, 2; Vomer, 1: Tnrbinals, 

 4; Hyoid (segments), 9. Teeth— Incisors, 12; Canines, 4; Molars, 26. 



The Trunk.— I I, Cervical vertebrae, 7; m tn, Dorsal vertebrae, 13; n n, Lumbar 

 vertebrae, 7; o. Sacrum (three segments), 1 ; p p, Cocc.vgeal vertebrae (variable)j 

 20; t t, Ribs, 26; •Sternum (eight sternebrse), 1; ♦> Costal cartilages. 



Appendicular Skeleton, 

 pectoral hjib. 

 M, Scapula, 2; v, Humerus, 2; w, Radius, 2; x. Ulna. Carpus— j/, Trapezium, 2; 

 z, Cuneiform, 2; a'. Scaphoid, 2; b', Unciform, 2; c'. Magnum, 2; d', Trapezoid, 2; 

 e'. Pisiform, 2; Metacaipal bones, 10; h'. Anterior sesamoids, 10; g', Posterior 

 sesamoids, 20. Digit— i", Proximal phalanges, 10; k', Mesian phalanges, 8; I', 

 Distal phalanges, 10; Small sesamoids wanting. 



PELVIC LIMB. 



Pelvis.— Os Innominatum— </, Ilium, 2; r, Pubis, 2; s, Ischium, 2. 



The Limb.—m', Femur, 2; o', Fabellse, 4; «', Patella, 2; q', Tibia. 2; p', Tibial 

 sesamoid, 2; >', Fibula, 2. Tarsus— s', Calcaneum, 2; t'. Astragalus, 2; «', 

 Cuboid, 2; v', Superior cuneiform, 2; w', Ecto-cuneiforme, 2; a;', Meso-cunei- 

 forme, 2; v', Endo-cunei forme, 2. Metatarsus— Large bones, 8; z', Small bones, 

 2; Anterior sesamoid, 8; Posterior sesamoids, 16. Digit— Proximal phalanges, 8; 

 Mesian phalanges, 8; Distal phalanges, 8; Small sesamoids wanting. 



Visceral. Skeleton. 

 Os Penis ,1; Rudimentary clavicle (inconstant), 2. 



The bones of the Carnivore Skeleton, thus considered, are 345. 

 (511) 



