Summary

Suggests sending plant specimens. Asks about visit of Emma and the boys.

Summary

Describes insects caught while visiting Lythrum.

Summary

WED has been collecting Lythrum plants. Numerical proportions of the three forms.

Summary

Bee with adhering orchid pollinia lent to Charles Daubeny. Pollen-masses shaken off but if CD still interested he is welcome to specimen.

Summary

Sends specimens of the three forms of Lythrum. Remarks on the numerical proportions of different forms.

Summary

Gives J. T. Rothrock’s observations on the structure and fertility of the two forms of Houstonia. Mentions his own observations on Rhexia virginica and Gymnadenia tridentata.

Summary

Finds many beautiful Epipactis specimens.

Summary

Has read CD’s long letter on Lythrum and agrees with it. Is examining the pollen of the different types.

Summary

Muscular fibres of whale no larger than those of bee – evidence of a community of origin.

Problem of the abortive wings of ostrich in relation to conditions of their survival.

Summary

Breeding cells of Ligurian bee are larger than those of common bee. Thanks CD for comb.

Summary

Notes and observations on orchids.

Summary

Observations on Welwitschia.

Summary

Jamieson has revisited Glen Roy and confirmed his theory of glacier lakes.

A. G. More considers CD the most profound of reasoners.

Summary

Would be pleased to have third edition of Origin.

Is unwell and dreads the winter.

Summary

On microscopes.

Cannot remember any plants but Melastoma with different coloured polliniferous anthers.

Summary

JL’s Swiss tour with Tyndall and Huxley.

Lake-habitations.

Summary

Sends his paper [on glacial lakes, see 3450]. Falconer attacked it. Falconer thinks Himalayas confound the theory, but Hooker writes that it explains the absence of lakes there.

Summary

Looked for Hottonia but with little success.

Summary

Proportions of different forms of Lythrum.