...natural selection," Darwin wrote in the revised, second edition 1871/1974:256) of The Descent of Man, "But I now see that the whole problem is so intricate that it is safer to leave its solution to the future." Darwin's sentiments have, I suspect, rung a chord in virtually every researcher who...

...not be gained through natural selection. ... I formerly thought that when a tendency to produce the sexes in equal numbers was advantageous to the species,...so intricate that it is safer to leave its solution to the future. If one looks at this problem from the perspective of Darwinian fitness, it is indeed...

...wrote, "I cannot decide whether what I have found is trustworthy" and concluded, "I now see that the problem is so intricate that it is safer to leave its solution for the future. " 1'* Why did he discuss it at all? Darwin never shied from including incomplete information in his...

...females would not succeed better in the battle for life than an individual with an opposite tendency; and therefore a tendency of this kind could not be...intricate that it is safer to leave its solution for the future.4 THE PROBLEM OF JUSTICE Here we start with a very simple problem; we are to divide a chocolate...

...the simple, economic nature of many problems in social evolution. 9 Sex Allocation: Marginal Value I formerly thought that when a tendency to produce...it is safer to leave its solution for the future. —Charles Darwin, The Descent of Man Sex allocation is the division of resources between male and...

...ignorance of the evolution of sexuality when, pondering the problem of sexual reproduction, he says, "I now see that the whole problem is so intricate that it is safer to leave its solution for the future."46 acting Individuals and Collective Phenomena 18. An Intermediate Layer of Structure and Individuals...

...[to skew sex ratios to an individual's advantage] could not be gained through natural selection' and that 'the whole problem is so intricate that it is safer to leave its solution for the future.' Most authorities credit statistician Ronald Fisher (1930) with providing the first good answer to the...

...Fisher begins by quoting the Second Edition of The Descent of Man, in which Darwin prudently said: I formerly thought that when a tendency to produce...so intricate that it is safer to leave its solution to the future. Fisher's own solution41 made no appeal to species advantage. Instead he pointed out...

...reasoning. But he abandoned this in the second edition. Almost in a state of despair he had to admit that "the whole problem is so intricate that it is safer to leave its solution for the future" (Darwin 1874, p. 399). The evolutionary explanation of sex ratios is not quite as difficult as it appeared...

...should expect fewer males in an optimum sex mix. Darwin himself was deeply puzzled by this problem: "I formerly thought that when a tendency to produce...it is safer to leave its solution for the future" (Darwin 1871, quoted in Skyrms 1996, 3). Skyrms (1996, chap, 1) has us consider Darwin's puzzle in...