Details of peculiarities in poultry.
Is examining wild varieties of rabbit.
Details of peculiarities in poultry.
Is examining wild varieties of rabbit.
Inquires about rabbits.
Sends list of queries on poultry.
WBT’s fowls’ skulls have arrived.
Has completed MS on poultry [for Variation].
Thanks for information on their courtship.
Asks for return of his MS [unspecified].
Orchids taking up all his time.
He longs to be at work again on poultry and rabbits.
Testimonial in support of WBT’s application for curatorship of the Hartley Institution.
WBT’s "too kind and flattering" article on Orchids.
Can WBT help get an answer to a query on ducks?
Has heard of a case of special sterility in cattle, in which a particular pair are sterile, but the individuals are both fertile with others.
CD interested in hybrid sterility and encloses his preliminary MS. Outlines experiments to test for existence of sterility in breeds of poultry and pigeons.
Experiments on dimorphism have led him to change in part his opinion as given in Origin, and he is now asking pigeon and poultry fanciers for any examples of special selective sterility [i.e., a particular pair are sterile when crossed, but each individual is fertile with others] and hopes to investigate its inheritance.
Has WBT ever heard of a case of the regeneration of monstrous (extra) toe on fowls?
Inquires about a curious pigeon reported at the Philoperisteron [pigeon fanciers’ club].
Discusses experiments that WBT will undertake to investigate whether particular pigeon and poultry crosses produce sterile hybrids.
WBT progressing with breeding experiments for CD.
CD making quicker progress with Variation.
Sends MS on fowls for WBT’s inspection.
CD working on Variation; he will soon want corrected fowl MS [Variation, ch. 7].
WBT’s breeding experiments produced no sterility.
Wants his fowl MS.
Will shortly return WBT’s skulls.
Asks for return of page about pigeon crossing.
Asks for WBT’s help in arranging for woodcuts to illustrate pigeon chapters of Variation.
Arrangements for woodcuts for Variation.
WBT’s excellent article on crossing.
Instructions for Luke Wells about woodcuts for Variation.
Fowl MS has arrived safely.
Sends pigeon MS for WBT’s perusal.
Further instructions for Luke Wells.