A Likely Story.

This is Evelyn Cheesman. She was a British entomologist, collector and traveller, who was the first female curator at London Zoo, and collected around 70,000 specimens for the Natural History Museum from across the South Pacific, during a lifetime of long solo expeditions, the last of which she made at the age of 73. If you want to read more about her - and really, at this point, how could you not? - here's a good place to start.

Anyway, in one of her many books about her adventures, 'Time Well Spent', she talks about the types of knowledge that indigenous people were prepared to accept from a foreigner and a woman, and that which they were not. To summarise, she says they were prepared to accept facts about things they'd never seen before - cameras, for instance - but not about things familiar to them.

"I am thinking now of the people on Malekula, New Hebrides, who did not know that a caterpillar changed into a butterfly. That new idea was too much to swallow from a stranger. One serious old man made a speech purporting to assure me that, even if this irregular sort of thing took place in my country, I need not expect it to occur on their island."