Forwards a letter from E. S. Morse on Omori shell mounds refuting F. V. Dickins’ review [Nature 21 (1880): 350] of Morse’s memoir ["The shell mounds of Omori", Mem. Sci. Dep. Univ. Tokyo 1 (1879) pt 1].
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Forwards a letter from E. S. Morse on Omori shell mounds refuting F. V. Dickins’ review [Nature 21 (1880): 350] of Morse’s memoir ["The shell mounds of Omori", Mem. Sci. Dep. Univ. Tokyo 1 (1879) pt 1].
Sir Wyville Thomson misunderstands natural selection when he says the theory "refers the evolution of species to extreme variation guided only by natural selection". CD demurs at the "extreme variation" and the "only". No one has said evolution depends only on natural selection. CD has adduced many facts on the effects of use and disuse and on the direct action of the environment.
Quotes an extract from a letter from Mr Sanderson of Chislehurst on the disappearance of black or spotted sheep from Australian flocks when the coloured sheep ceased to be of use to man.