Preface . . v
Acknowledgements . . ix
List of contributors . . xiii

1 The handicap principle and signalling in collaborative systems . . 1
2 Communication in bacteria . . 11
3 Communication in social networks of territorial animals: networking at different levels in birds and other systems . . 33
4 Communication between hosts and social parasites . . 55
5 Chemical communication and the coordination of social interactions in insects . . 81
6 Chemical communication in societies of rodents . . 97
7 Neurobiology of olfactory communication in the honeybee . . 119
8 Rapid evolution and sexual signals . . 139
9 Communication of mate quality in humans . . 157
10 The extended phenotype within the colony and how it obscures social communication . . 171 
11 Synergy in social communication . . 191
12 Conflicting messages: genomic imprinting and internal communication . . 209
13 Language unbound: genomic conflict and psychosis in the origin of modern humans . . 225
14 The evolution of human communication and language . . 249
15 Why teach? The evolutionary origins and ecological consequences of costly information transfer . . 265
16 Grades of communication . . 275

Concluding remarks . . 289
Glossary . . 291
Index . . 295