The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition)
i. 312;
on _Pneumora_, i. 358; on difference of colour in the sexes of beetles, i. 367; on moths brilliantly coloured beneath, i. 397; on mimickry in butterflies, i. 412; on _Gynanisa Isis_, and on the ocellated spots of Lepidoptera,