Melanism
Evolution in Action
Michael E. N. Majerus
Reviews and Awards
"A general discussion of melanism, whose centerpiece is a reanalysis of the evolution of industrial melanism in Biston betularia. Majerus shows us that the textbook version is wrong in many respects..." --Evolution
"From time to time, evolutionists re-examine a classic experimental study and find, to their horror, that it is flawed or downright wrong. . . . Until now . . . the prize horse in our stable of examples has been the evolution of industrial melanism in the peppered moth, Biston betularia, presented by most teachers and textbooks as the paradigm of natural selection and evolution occurring within a human lifetime. The reexamination of this tale is the centrepiece of Michael Majerus's book . . . the Biston analysis is necessary reading for all evolutionists, as are the introductory chapters on the nature of melanism, its distribution among animals, and its proposed causes."--Nature
"The classical example of natural selection at work concerns melanism (the occurrence of dark forms). Probably all biologists have heard about 'the peppered moth story', first published by Kettlewell in Heredity. . . . Michael Majerus dissects the story in his book on melanism and shows that it is more complex and fascinating than most biologists will have realized. . . . The book is . . . very readableD Ssomething which cannot be said of many books containing so much interesting scientific material."--Heredity
"Placing melanism into its historical and scientific context, the author considers the diversity of melanism in the animal and plant worlds, and its physical and genetic properties. Examining melanism in moths and ladybeetles in detail, he explores the diversity of evolutionary reasons for melanism and the complexities underlying this phenomenon."--Entomological News
"[T]he classic example of natural selection in action: namely, the evolution of industrial melanism in the peppered moth (Biston betularia). . . . The familiarity of this example to students . . . is proof enough of its importance. However, perhaps even more significantly, the example has been used by philosophers as a tool to think about evolutionary issues . . . and by popularizers of science to explain to nonscientists what modern evolution is all about . . . Chapters 5 and 6, which recount and then critically dissect the classic example of industrial melanism, are the most novel of the book. Majerus acknowledges the difficulties with the classic example and details the major elements in the story, some of which are seriously flawed. . . . Majerus's book . . . is a 'must' for every library. Furthermore, certain chapters should be read by every person who teaches and every philosopher who analyzes evolutionary biology and the nature of science."--BioScience
"Melanin is a ubiquitous pigment in living organisms and one of its forms is black in color. True melanism is considered to be black individuals in a species where other colors are the norm. . . . Majerus examines many examples of darkening to develop his ideas about melanism and evolution. He builds on the famous work of Kettlewell who showed that the degree of melanism in peppered moth populations in England changed as pollution changed the color of tree trunks where the moths rested. The text reveals natural selection in action using examples primarily from moths and ladybird beetles. Melanism is well illustrated with a section of color plates plus numerous black and white photos, graphs, tables and maps. The book includes a glossary for the uninitiated and an extensive reference section for the researcher. Majerus succeeds in his goal of writing a scientifically valuable book that is accessible to a curious lay-person."--Wildlife Activist
"Majerus provides an excellent introduction to the nature, distribution, and cause of melanism (the increase of dark pigments in organisms). His reexamination of 'industrial melanism' in the peppered moth, Biston betularia, shows that this classic example of natural selection (first for, and later against, darker moths) is far more complex than the story of pollution and predation told in textbooks."--Science