Books about Mimicry from Amazon.com

This work is for ages 6-12. In the animal world, the easiest way to avoid being eaten is to avoid being seen. "What are Camouflage and Mimicry?" examines animals that use unique colourisation to avoid their predators - or to sneak up on prey! So highly developed is the camouflage of some animals, that they are virtually impossible to see. Examples include: spots and stripes that blend into the shadows; bright colours that warn of toxic poisons; animals that look like rocks, plants, or even other animals; animals that can change colours to blend into virtually any background..
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During roughly 400 million years on this planet, one million species of insects have developed with a great diversity of shape and color to protect them from predators.

Bruce Purser spent years traveling through tropical forests studying insects and photographing their ongoing quest for survival as they blended into tree trunks and imitated sticks, leaves, other bugs, and even bird droppings. Taken in exotic locales including French Guyana, the Peruvian Amazon, Malaysia, Kenya, Morocco, and Venezuela, his dazzling photographs are accompanied by thoughtful text as he traces the insects' efforts to hide from or scare off their predators.

In this charming and informative book:

• Explore the dangerous and little-known world of insects
• Experience exotic tropic tours
• Discover animal behavior in lively and understandable language
• Find out how a good disguise or a good impersonation can make the difference between life and death in the animal world

Stunning color photographs reveal insect secrets that we would never get a chance to observe ourselves: such as a harmless moth that looks exactly like a stinging wasp or an inoffensive butterfly that's protected from predators because its coloring is almost identical to that of a highly poisonous variety.

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Discusses how various animals use mimicry and camouflage to protect themselves or to lure prey to them..
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This book discusses the diversity of mechanisms by which prey avoid attack by predators and questions how such defensive mechanisms have evolved through natural selection. It considers how potential prey avoid detection, how they make themselves unprofitable to attack, how they signal their unprofitability, and how other species have exploited these signals. Using carefully selected examples drawn from a wide range of species and ecosystems, the authors present a critical analysis of the most important published works in the field.
Illustrative examples of camouflage, mimicry and warning signals regularly appear in undergraduate ecology textbooks, but these subjects are rarely considered in depth. This book summarizes some of the latest research into these fascinating adaptations, developing mathematical models where appropriate and making recommendations for the most urgently needed outstanding areas of enquiry.
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The conceptual basis for molecular mimicry was first defined in the early 1980s when monoclonal antibodies against viruses were also shown to react with non-viral host protein; in this case, measles virus phosphoprotein cross-reacted with host cell cytokeratin, herpes simplex virus type 1 with host-cell vimentin and vaccinia virus with host-cell intermediate filaments. Following this discovery, others emerged, again at the clonal level, that T cell clones against proteins from a variety of infectious agents also reacted with host antigenic determinants. The clonal distinction was imperative for the initial definition of mimicry. At least 30 years prior to our initial description of molecular mimicry involving cross-reactions between numerous microbes, on the polyclonal antibody level, streptococcus was believed to react with renal glomeruli, heart and basal ganglia to account for the glomerulonephritis, heart and valvular disease and chorea, respectively. However, subsequent research showed that the nephritis was caused by immune complex deposits and the tissue damage they produced. Later, in 1990, the cross-reactivity of streptococcal antigen with myocardial antigens on a clonal level was uncovered. Hence, for both historical reasons and mechanistic understanding, it is best to provide evidence for cross-reactivity at the clonal level to prove that molecular mimicry exists.

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MIMICRY IN BUTTERFLIES BY REGINALD CRUNDALL PUNNETT, F. R. S. Fellow of Gonville and CahiTColiege Arthur Balfour Professor of Genetics in the University of Cambridge Cambridge at the University Press 1915 Cambridge PRINTED BY JOHN CLAY, M. A. AT THE UNIVERSITY PRESS PREFACE r 1 1HIS little book has been written in the hope that --it may appeal to several classes of readers. Not infrequently I have been asked by friends of different callings in life to recommend them some book on mimicry which shall be reasonably short, well illustrated without being very costly, and not too hard to understand. I have always been obliged to tell them that I know of nothing in our language answering to this description, and it is largely as an attempt to remedy this deficiency that the present little volume has been written. I hope also that it will be found of interest to those who live in or visit tropical lands, and are attracted by the beauty of the butterfly life around them. Thjere are few such countries without some of these cases of close resemblance between butterflies belonging to different families and groups, and it is to those who have the opportunity to be among them that we must look for fuller light upon one of the most fascinating of all natures problems. If this little book serves to vi PREFACE smooth the path of some who would become ac quainted with that problem, and desire to use their opportunities of observation, the work that has gone to its making will have been well repaid. To those who cultivate biological thought from the more philosophical point of view, I venture to hope that what I have written may not be without appeal. At such a time as the present, big with impending changes in the social fabric, few things are more vital than a clear conception of the scope and workings of natural selection. Little enough is our certain knowledge of these things, and small though the butterflys contribution may be I trust that it will not pass altogether unregarded. In conclusion I wish to offer my sincere thanks to those who have helped me in different ways. More especially are they due to my friends Dr Karl Jordan for the loan of some valuable specimens, and to Mr T. H. Riches for his kindly criticism on reading over the proof-sheets. R. O. P. February, 1915 CONTENTS CHAP. PAGE I. INTRODUCTORY ....... 1 II. MIMICRY BATESIAN AND MULLERIAN ... 8 III. OLD-WORLD MIMICS . . . . . . 18 IV. NEW-WORM MIMICS ...... 37 V. SOME CRITICISMS ....... 50 VI. MIMICRY RINGS . ..... 61 VII. THE CASE OF Papilio poly tea . . . . . 75 VIII. THE CASE OF Papilio polytes cont. ... 93 IX. THE ENEMIES OF BUTTERFLIES .... 104 X. MIMICRY AND VARIATION . . . . .126 XI. CONCLUSION . . . . . . . .139 APPENDIX I ...... 164 APPENDIX II . . . . . . . . J57 PLATES I XVI AND DESCRIPTIONS . . . 160E I V. ORIENTAL MOTHS AND BUTTERFLIES. VI IX. AFRICAN BUTTERFLIES. X XIII. SOUTH AMERICAN BUTTERFLIES. XIV. SCALES OF LEPIDOPTERA. XV. CENTRAL AND SOUTH AMERICAN BUTTERFLIES. XVI. NORTH AMERICAN BUTTERFLIES. INDEX ......... 183 The process by which a mimetic analogy is brought about in nature is a problem which involves that of the origin of all species and all adaptations. H. W. BATES, 1861. With mimesis, above all, it is wise, when the law says that a thing is black, first to inquire whether it does not happen to be white. HENRI FABBE. CHAPTER I INTRODUCTORY IT is now more than fifty years since Darwin gave the theory of natural selection to the world, and the conception of a gradual evolution has long ago become part of the currency of thought. Evolution for Darwin was brought about by more than one factor. He believed in the inherited effects of the use and disuse of parts, and he also regarded sexual selection as operating at any rate among the higher animals. Yet he looked upon the natural selection of small favour able variations as the principal factor in evolutionary change....
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