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.

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.

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.