South Down sheep: variability in colouring and patterning of lambs compared with constancy of adult coat.

Comments on paper by JJW ["On insects and insectivorous birds", Trans. R. Entomol. Soc. Lond. (1869): 21–6]. JJW’s verification of A. R. Wallace’s suggestion regarding inheritance is quite a discovery.

Asks for information about male birds migrating before females.

Migratory male nightingales and blackcaps arrive before females [see Descent 1: 259].

Discusses chaffinch "Peggers".

Disagrees with CD’s opinion that canary mules are fertile.

Display of colour of greenfinches in courtship.

Thanks for information about bird migration.

Comments on canary hybridisation.

Loss of juvenile colouring in South Down sheep.

"My health got so bad I could do nothing at Down".

Gives information about migration of male and female birds.