Summary

Inquires whether "a Devonshire Bee-keeper" [T. W. Woodbury] who reported a common drone entering a hive of Ligurian bees [Cottage Gard. 24 (1860): 94] believes, with Andrew Knight, that queen bees are seldom fertilised by their own blood-relations. Asks how far a hive of common bees was from that of the Ligurians.

Summary

Did not know about separation between Silurian and Cambrian.

Cannot attend Geological Society meeting.

Etty [Henrietta Darwin] ill.

Sedgwick in his attack at Cambridge Philosophical Society states "there must be [on CD’s theory] large genera not varying".

Discusses migration of plants and animals from Old World to New.

Views of Asa Gray on Aster.

Mentions flora of coal period.

Has been elected to Philadelphia Academy of Natural Sciences.

Summary

Acknowledges his election as Correspondent of Academy of Natural Sciences, Philadelphia.

Summary

Thanks WBT for observations on colours of newly-hatched pigeons of different breeds. Asks if breeders have noticed any differences in lengths of time eggs were incubated in different breeds.

Summary

Comments on Richard Owen’s review of the Origin [in Edinburgh Rev. 111 (1860): 487–532]. Considers Owen unfair to CD and most ungenerous toward Hooker.

Expects Sedgwick to be fierce against him. Sedgwick also misrepresented CD in his Spectator review [24 Mar and 7 Apr 1860].

Compares natural selection to the undulatory theory of light as a hypothesis explaining a large number of facts.

Summary

Observations on hybrids from crossed cabbage varieties.