Majerus died before he could complete the writing up of his experiments, but the work was carried on by others. The paper said that "These data provide the most direct evidence yet to implicate camouflage and bird predation as the overriding explanation for the rise and fall of melanism in moths". The new data, coupled with the weight of previous data show that "industrial melanism in the peppered moth is still one of the clearest and most easily understood examples of Darwinian evolution in action".