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.

Reports on the behaviour of the Peruvian cow bird, Molothrus, which lays its eggs in other birds’ nests.

Sends CD a circular [missing] and asks whether he will add his name to group [Anti-Aggression League].

Although he agrees with the object of HS’s league he will not join until he has seen how it works.