Comments on AW’s essay [on "Axolotl", Z. Wiss. Zool. 25 (suppl.) (1875): 297–342] with respect to evolutionary reversion. Peloric flowers must also be considered reversion.
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Comments on AW’s essay [on "Axolotl", Z. Wiss. Zool. 25 (suppl.) (1875): 297–342] with respect to evolutionary reversion. Peloric flowers must also be considered reversion.
Comments on Weismann’s remarks on the possibility of sexual selection in the genus Daphnia.
A. R. Wallace has published paper giving up sexual selection [Review of St George Jackson Mivart’s Lessons from nature, as manifested in mind and matter.] in Academy, 10 and 17 June 1876, pp. 587–8.]
Thanks for present of Studien [zur Descendenz-Theorie, vol. 2 (1876)].
Comments on AW’s book [Studien zur Descendenz-Theorie (1875–6)], especially on mimicry in caterpillars.
Mentions sets of drawings of British Lepidoptera in all stages. Would AW like to see them?
Negotiations for loan of drawings [of Lepidoptera] have failed.
Fears copy of AW’s publication [Über die Berechtigung der Darwin’schen Theorie (1868)] lost in mail. Asks for another.
Glad AW approves of his work
and objects to Nägeli’s law of perfection.
Thinks Moritz Wagner overrates necessity for emigration and isolation.
Glad AW’s eyesight is better.
Has received AW’s essay [Einfluss der Isolierung (1872)].
Glad he is turning attention to sexual selection. Hardly any naturalists agree with CD on subject.
Comments on AW’s work [Einfluss der Isolierung (1872)].
Discusses formation of local races.
Conchologist should investigate whether species of same genus vary during successive geological periods.
Comments on Franz Hilgendorf ["Über Planorbis multiformis", Monatsber. K. Preuss. Akad. Wiss. Berlin (1866): 474–504].
Believes sexual selection will be judged a powerful agency.
Comments on AW’s work [Studien zur Descendenz-Theorie, vol. 1 (1875)].
On seasonal dimorphism in Lepidoptera in relation to sexual selection.
Discusses evolutionary reversion.
Comments on birds’ avoiding brightly coloured caterpillars. Offers references on subject.
Alpheus Hyatt says Franz Hilgendorf mistaken [about Planorbis multiformis].
Quotes from letter from J. J. Weir on birds’ rejection of brightly-coloured caterpillars.