And in the second image, Dr Ripley stands with Salim Ali (1896-1987) on a high hill. Dr Ripley is holding a gun in his right hand and both men have binoculars around their necks. Ali is holding a camera in his right hand. This was part of their research for the book.
And in the third image, from left to right in the first row: Unidentified person, Salim Ali, Mary Livingston Ripley, and Dr Ripley sit on a hillside in India. Mr P. B. Shekar, former collections specialist at the Bombay Natural History Society and a regular camp member of many expeditions by Dr Ripley in India, is in the top, back right. The other man in the back row is unidentified.