Note 196 — Chapter VIII · TRILOBITA
Reading edition
This has received some support from H. Milne Edwards, Ann. Sci. Nat. Zool. (6), xii., 1881, p. 33; H. Woodward, Quart. Journ. Geol. Soc. xxvi., 1870, p. 487, and vol. 1., 1894, p. 433; Bernard, ibid. vol. 1. p. 432.