Annals of medical history . Fig. 9. Lateral view of a dorsal vertebra of asaber-toothed cat, Smilodon, from the Rancho laBrea asphalt beds, Pleistocene, of California, show-ing the characteristic lesions of spondylitis defor-mans. Natural size. About 500,000 years old. Fig. 10. Posterior view of a dorsal vertebra ofa cave bear, Ursiis spelxus, from Europe, showingcharacteristic lesions of spondylitis deformans. Nat-ural size. About 250,000 years old. (AfterJMayer.).

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Keywords: ., bookauthorp, bookcentury1900, bookdecade1910, booksubjectmedicine