Note 20 — Chapter VIII
Reading edition
Tutt, J. W., Ent. Rec., XVIII, 1905, p. 5. In the same place he states that on the Mendel Pass arcania "runs into" darwiniana and that in the Tyrolean localities the transition is especially evident. Wheeler (ibid., XIII, 1901, p. 121) expresses the contrary opinion, that satyrion does grade to arcania.