shortly by John McClelland and, after the former's resignation, by Edward Blyth.

In 1840, the Government took a keen interest in geology and mineral resources, and this led to an additional grant of Rs 250 per month for the geological section alone. In 1851 when the Geological Survey of India came into being with the advent of Sir Thomas Oldham, a rented building at 1, Hastings Road now K N Roy Road, the present