Darwin-Hooker Letters : Letter from Darwin, C. R. to Hooker, J. D. on 15 May 1860 : 1r
'Darwin, C. R.'
Lyell, de facto, first to stress importance of geological changes for geographical distribution. Asa Gray has given Darwin too much credit for theories of geographical distribution. Reaction to hostile criticism and debt to Lyell, Huxley, Hooker, and W. B. Carpenter.