No summary available.
No summary available.
Sending more Candolle volumes for survey of species with well-marked varieties.
Has begun his introduction [to Flora Tasmaniae]; will not make generalisations.
J. D. Dana’s pamphlet too metaphysical for JDH.
No summary available.
No summary available.
Thanks WDF for his letter about a rabbit breed that he thinks is the Himalaya. He is particularly glad to hear of it because it breeds so true.
No summary available.
No summary available.
Thanks GB for his answers [to 2184], which were as explicit as he expected. Cucubalus viscosus and italicus are extremely sterile together; all other forms extremely fertile. Other instances of infertility found by Gärtner.
Hybrid varieties of pheasant and common fowl. Reply to CD queries.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
No summary available.
Finds he cannot annotate CD’s list of subspecies and varieties as wanted. Mentions again his difficulties with "species"; he "cannot find the proof of species being definite and immutable whatever they may seem to be at any one time and spot".
No summary available.
No summary available.
Replies to more queries about fowl hybrids.