Asks about camouflage of birds in the Sahara desert.
Asks about camouflage of birds in the Sahara desert.
Will answer CD’s queries when he returns home in a month.
On the coloration of 26 species of Saharan birds.
Thanks for interesting letter. ‘How very curious the case of the bright-coloured birds which conceal themselves in holes!’
Sexual differences in plumage of birds; various species compared.
Thanks for answers to questions, but declines loan of specimens.
Asks HBT to sign certificate [for Royal Society] for Robert Swinhoe.
Asks HBT whether he received the certificate nominating Robert Swinhoe for the Royal Society.
Thanks HBT for all the trouble he has taken for Robert Swinhoe and himself. Will try to get six signatures on a new certificate and deliver it to the Royal Society in time.