WCP2476

[1]

Coalburgh,

West Va

12 Nov 1873

Mr A R Wallace

The Dell, Grays,

Essex, England

Dear Sir,

I cut from one of the papers I have rec^d to day, the enclosed slip, and send it to you, as I think you have called attention to similar adventures of cats and dogs, in Nature,¹ not long since. The route the cat would have taken [2] was wholly per Rail and on three different roads and is represented thus.

[annotation sketch]²

That starting from D, the animal should reach A. is very curious, whether she went across (54 miles) or around,

Most truly | W. H. Edwards³ [signature]

[3]

I suspect we have a very interesting case of dimorphism in Limenitis Proserpina Edw. But. N. A.⁴ Plate. and that its other form is Arthemis. The two are found associating together, while Insula is not known to me to associate with Arthemis. The size and shape is [sic] same and the inside is very nearly identical in color and pattern, differing from Insula. I will follow this up next season.

W. H. E.

[4] along with other species of Chrysobalaneae, Rubiaceae &c. in a paper read before the Linnaean Society but not yet published, and he arrived at the conclusion that these structures had become hereditary through the necessity of the plants adapting itself to the ^{adaptation of the plant to the perpetual constant constant} parasitism of the insect but he did not recognise that the ants were of any ^actual service to the plant.⁵