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  • Title: On the allometry of long bones in dogs (Canis familiaris).
    Author: Casinos A, Bou J, Castiella MJ, Viladiu C.
    Journal: J Morphol; 1986 Oct; 190(1):73-9. PubMed ID: 3783720.
    Abstract:
    The allometric relations of diameter and length of humerus, ulna, femur, and tibia of 108 specimens, from 63 different breeds of dogs and 12 specimens of wolves, were calculated by means of model II of regression or major axis method. Only for the tibia were the values of wolves included in the cluster formed for dog breeds. Consequently, separate lines of regression were calculated for the other bones. Results agree in general with the exponents predicted by the theory of geometric similarity; however, the slope obtained for femur (0.865) differed significantly from this. Morphology of the long bones of the legs does not differentiate dogs and wolves; this probably reflects secondary convergence among wolves with relatively modern breeds of dogs.
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