Darwin is in "utter confusion" on the differences on the division of certain insects between J. O. Westwood and H. W. Bates. Darwin requests Bates if Show moreDarwin is in "utter confusion" on the differences on the division of certain insects between J. O. Westwood and H. W. Bates. Darwin requests Bates if he will homoligise certain insect families for him, using terms that would be generally understood. Transcription: "Feb 19th c1862 1868 Down. Bromley. Kent.S.C. My dear Bates I am in utter confusion; will you kindly clarify my mind - Westwood divides [] []([] []) with []=? []=? []=? Now you speak([]) of [], [] + []. - Now with your [] families [] + 18th which terms will be most generally understood, which I care more about than which are most strictly correct. Again, + more important for me, you say that(p.252) in the [] (I suppose of Westwood likewise) "the []-cases are symmetrical but have edges....... a distinct position is not set apart...for sound-producing"..... Now how can I reconcile this with Westwood (p.440) who [] drawing of the two wings which are not strictly symmetrical, + one of which is furnished "with a distinct position" for sound producing. So if the same species of crickets but both wings similar? I shd be grateful if you would kindly aid me as far as you can, + excuse me troubling you. yours vy sincerely C. Darwin Harris places [] [] , the "Katysis", in the [], is this the [] of Westwood? I suppose the "Field cricket" belongs to [] of all []. Your [] cannot belong to the [] of Westwood, but I suppose to his []" Letter, signed by sender. Sent from Down House, near Beckenham, Kent, England. The Robert M. Stecher Collection of Charles Darwin Books and Manuscripts Show less