_Objections to a Phyletic Vital Force_, p. 352.
Independent origination of ring-spots in species of the genus
_Deilephila_, 352. Possible genealogy of this genus, 358. Independent
origination of red spots in several species of _Smerinthus_, 360.
Functional change in the elements of marking, 365. Colour change in the
course of the ontogeny, 367.