Chapter 1: Introduction: The Hidden Worlds of Science.- Chapter 2: Imperial Emotions: Birdwatching, Masculinity, and the Science of pPossession.- Chapter 3: Emotional Communities and Science: A Tale of Two Sisters in Madras, 1801-1807.- Chapter 4: Science, Gender, and 'Inner Energies': Margaret Cockburn's Life and Work in the Hills of Kotagiri, 1835-1928.- Chapter 5: A Troubled but Fulfilling Life: The Science and Emotions of Jamal Ara, 1945-1970.- Chapter 6: Science, Spirituality, and Patriotism: Two Indian Men of Science in a Colonial World, 1900-1950.- Chapter 7: Murderous Millinery: Fashion, Science, and Feathers in Nineteenth-century Britain.- Chapter 8: Conclusions.