JBI’s "barnacles" would have been extraordinary, but they are hard lichens.

Has revisited Cambridge.

CD interested in JBI’s observations of behaviour of bees. Finds his criticism about hexagonal cells made by queen wasps a good one. Cannot remember how he got out of the difficulty.

His book on worms to be published soon.

E. A. Darwin has died after short illness.

Wasps’ nest has arrived.

Gives his view of how queen wasp builds a hexagonal cell by straightening walls between several cells, which she builds at the same time.