INSTANCES OF THE WONDER OF LIFE xiii 



PAGB 



inter-relations of mussels and minnows .... 273 



inter-relations of bees and flowers 275 



pollination of the fig 280 



ambrosia 282 



inter-relations of a pitcher -plant 283 



inter-relations of ants and plants ..... 285 



shelter-associations among animals ..... 290 



relations between fierasfers and sea-cucumbers . . . 290 



partnership between painted fish and sea-anemone . . 293 



commensalism of hermit-crabs and sea-anemones . . 294 



symbiosis of Algse in animals ...... 295 



the double nature of lichens ...... 297 



partner microbes ........ 299 



the adaptations of parasites ...... 302 



grouse-disease 303 



the extraordinary life-history of the liver-fluke . . . 307 



the story of Sacculina 309 



the story of ox-warbles ....... 310 



the production of galls 312 



the formation of pearls 313 



habits of the cuckoo ....... 315 



the gregariousness of fiddler-crabs 324 



division of labour among ants 326 



tailor-ants using larvae as needle and thread . . . 328 



a primitive form of ant-society 331 



division of labour among Termites ..... 333 



reserve ' kings and queens ' among Termites . . . 334 



signalling among Termites ...... 336 



economy of the bee-hive ....... 339 



hive-bees nesting in a tree 340 



evolution of social bees 341 



year's life of humble-bee 343 



nest of a wasp ........ 345 



animal societies 345 



viscacha villages ........ 350 



domestication of aphides by ants ..... 351 



guests and pets of ants ....... 352 



slave-making among ants ...... 354 



the relations of birds and insects ..... 359 



house-flies as distributors of disease . . 359 



