{"footnote":"\u003Cp\u003E  \u003Cem class=\u0022emphasisClass\u0022\u003EThe Correspondence of Charles Darwin\u003C\/em\u003E, Vol. V, 1851-1855, edited by Frederick Burkhardt and Sydney Smith. Cambridge, 705 pp., \u0026pound;32.50, 8 February, 0 521 25591 0.\u003C\/p\u003E\n","audio":[],"video":[]}