The epiphyseal fusion of the manus and the fusion of the pelvic bones during the first year of life of four harp seal pups are reported and compared with the bones of two older animals of 2½ years and 24 years of age. In the period under observation in the pups the only physes to fuse were those of the third phalanx and the pelvis.
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1 January 1972
THE HARP SEAL, Pagophilus groenlandicus, (ERXLEBEN, 1777): XVI EPIPHYSEAL FUSION
G. SUMNER-SMITH,
P. W. PENNOCK,
K. RONALD