Note 425 — Chapter XXI · PYCNOGONIDA[393]
Reading edition
Cf. also J. E. W. Ihle, “Phylogenie und systematische Stellung der Pantopoden,” Biol. Centralbl., Bd. xviii., 1898, pp. 603–609; Meisenheimer, Verh. zool.-bot. Ges. Wien, xii., 1902, pp. 57–64; also Stebbing, in Knowledge, 1902.