Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 869
oing to make an entire spine, instead of making an additionto that previously existing. Most curious indications are some-times afforded by sections of Echinus-spines of an extraordinarypower of reparation inherent in these bodies. For irregularitiesare often seen in the transverse sections which… … tissue, over which the subsequent layers have been formed as usual.And sometimes a peculiar ring may be seen upon the surface of a.spine, which indicates the place of a complete fracture, all beyondit being a new growth, whose unconformableness to the older orbasal portion is clearly shown by a…
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