On the flight paths of male humble bees
By: by Charles Darwin ; translated from the German in No. 523 [i.e. 533].
Publisher: Dawson's of Pall Mall
Published: 1965
Place of publication: [London
Language: eng
Number of pages: 73
Subjects: Bumblebees; Insects -- Flight
Work titles: Über die Wege der Hummel-Männchen.
Notes: At head of title: Appendix.

Page proofs of: The works of Charles Darwin / R.B. Freeman. London, 1965.  Cf. Freeman 1580.

Leaf 73 wanting.

Laid in is a translation (1 leaf in typescript) of the footnote on p. 84 of the German original edition.