Note 195 — Chapter VIII · TRILOBITA
Reading edition
Proc. R. Irish Acad. xxiv., 1903, p. 332, and Quart. Journ. Micr. Sci. xlix., 1906, p. 469.
Reading edition
Proc. R. Irish Acad. xxiv., 1903, p. 332, and Quart. Journ. Micr. Sci. xlix., 1906, p. 469.