110 



COMPARATIVE OSTEOLOGY. 



Fio. 3L 



SKELETON OP THE DOG (Carnivoka). 

 Axial Skeleton, 

 the skull. 

 Cranial Bones.— a. Occipital. 1 : 6, Parietal, 2 ; c. Frontal, 2 ; fc. Temporal. 2 ;. Sphenoid, 1 ; 

 Ethmoid. 2 ; Auditory ossicles, 8. 



Facial Bones.— f, Nasal, 2 ; e, Lachrymal, 2 ; d, Malar. 2 ; h. Maxilla. 2 ; g, Premaxilla, 2 ; 

 i, Inferior Maxilla. 2; Palatine. 2; Pterygoid, 2; Vomer,!; Turbinals, 4; Hynoid series, 9. 

 Teeth :— Incisors, 12 : Canines, 4 ; Molars, 26. 



T/te Trunk.— I I, Cervical vertebraj, 7 ; m m, Dorsal vertebrae. 13 ; n n. Lumbar vertebree, 7 ; 

 o. Sacrum (three segments), 1 ; p p, Coccygeal vertebrae (variable), 20 ; t t. Ribs, 26 ; * Sternum 

 (eight stemebrse), 1 ; SS Costal cartilages. 



Appendicular Skeleton. 

 pectoral limb. 



ft 



«, Scapula, 2 ; v, Humenis, 2 ; to, Radius, 2 -, x, Ujlna. Carpus :—y, Trapezium, 2 ; z, Cunei- 

 form, 2 ; a'. Scaphoid, 2 ; 5', Unciform, 2 ; c', Magnum. 2 ; d'. Trapezoid, 2 ; e', Pisiform, 2 ; Meta^ 

 carpal bones, 10 ; h'. Anterior sesamoids, 10 ; g'. Posterior sesamoids, 20. Digit :— i'. Proximal 

 phalanges, 10 ; //, Median phalanges, 8 ; V, Distal phalanges, 10 ; Small sesamoids wanting. 



PELVIC LIMB. 



Pelvis.— Os Innominatnm :—q. Ilium, 2 ; r. Pubis, 2 ; », Ischium. 2. 



The Limb.—m' Femur, 2 ; o', Fabellae, 4 ; n', Patella, 2 ; q'. Tibia, 2 ; p', Tibial sesamoid, 2 ; 

 r*, Fibula, 2. Tarsus :— s', Calcaneum, 2 ; tf, Astragalus, 2 ; u'. Cuboid, 2 ; t/, Superior cuneiform, 2 ; 

 «/) Ecto-cuneiforme, 2 ; a;', Meso-cuneiforme, 2 ; j/', Endo-cuneiforme, 2. Metatarsus :— Large bones, 

 8 ; /, Small bones, 2 ; Anterior sesamoid, 8 ; Posterior sesamoids, 16. Digit :— Proximal phalanges, . 

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



Visceral Skeleton. 

 Ot Penis, 1 ; Budimentary .clavicle (inconstant), 2. 



The bonei of the Carnivora Skeleton, thus considered, are 345. 



