Manual of Fruit Insects

See also Mayr 1991, 119ff. БЂњthe acquired aptitudes of one generationБЂ«: Gladstone 1858, 426, and similar formulation a few years later (1869, 539): БЂњthe acquired knowledge of one generation becomes in time the inherited aptitude of another.БЂ«MagnusБЂ™s explicit reliance on the Lamarckian model: Magnus 1877b, 44, 50. Criticism of Magnus: The earliest and most vocal critic of MagnusБЂ™s theory was Ernst Krause, one of DarwinБЂ™s first followers and popularizers in Germany (Krause 1877). Darwin himself felt that MagnusБЂ™s scenario was problematic. On June 30, 1877, Darwin wrote to Krause: БЂњI have been much interested by your able argument against the belief that the sense of colour has been recently acquired by man.БЂ«Another vocal critic was the science writer Grant Allen (1878, 129-32; 1879), who argued that БЂњthere is every reason to think that the perception of colours is a faculty which man shares with all the higher members of the animal world. In no other way can we account for the varied hues of flowers, fruits, insects, birds, and mammals, all of which seem to have been developed as allurements for the eye, guiding it towards food or the opposite sex.БЂ«But the argument about the bright colors of animals was weakest exactly where it was most needed, because the coloring of mammals, as opposed to birds and insects, is extremely subdued, dominated by black, white, and shades of brown and gray ...»