Showing 1–18 of 18 items
Describes the unusual appearance of a horse whose mother had previously borne a foal by a quagga. The effect of one mating on the subsequent pregnancy of another mating is explained by JJW using Pangenesis.
On behaviour of birds when frightened and when threatening.
Purple Cytisus grafted onto yellow stock produces some yellow flowers.
Mutations in rabbits.
Cites case of variegated leaf form of one plant apparently spreading to a neighbour.
On birds erecting feathers.
Comments on production of buds in Cytisus.
Discusses case of rabbit-breeding which affected subsequent progeny of female.
On mutations in rabbits.
Cytisus case is not a double graft.
Aggressive behaviour of birds of prey.
"Like you I have often wondered at the different food of the old and young, as with graminivorous birds feeding their young with insects."
Recommends forthcoming book by John Lubbock [Monograph of the Collembola and Thysanura (1873)].
Not surprised incipient disease in female would make her unattractive to male.
Sorry JJW’s official duties are so heavy.
Thanks for new case.
Not very well.
On variegated leaves; a feature not inherited consistently.
Hostility of birds toward others with same colour;
nuptial plumage.
Spiza cyanea and Spiza ciris.
Has no doubt he will find JJW’s address interesting.
Thinks same spot for nesting might prove attractive to birds, though they had had no intercommunication.
Hybrid Motacilla.
Case of female duck leaving mate to pair with male of another species.
Discusses case of Cytisus graft described by JJW.
Yellow flowers occurring on a purple Cytisus grafted onto a yellow stock.
Yellow and purple flowers occur on plant grafted with Cytisus purpureus, but only on separate racemes. Only yellow blooms seed.
Sends CD some of the Cytisus, which has produced yellow flowers on a purple graft.
Regarding Cytisus graft with yellow flowers, CD thinks nurseryman has sold Cytisus adami to JJW’s brother in place of C. purpureus. This explains apparent "sport". [P.S. on envelope:] C. purpureus seeds freely. C. adami never does.
JJW is to think no more about mistake [regarding Cytisus graft].
Declines invitation to accompany JJW to Crystal Palace.