Note 409 — Chapter IX · ON CONCRETIONS, SPICULES, AND SPICULAR SKELETONS
Reading edition
In an interesting paper by Irvine and Sims Woodhead on the “Secretion of Carbonate of Lime by Animals” (Proc. R. S. E. XVI, 1889, p. 351) it is asserted that “lime salts, of whatever form, are deposited only in vitally inactive tissue.”