Kerr was accompanied by John Samuel Budgett. He studied the frogs of the area and discovered a new genus.[1][2]
- ^ Budgett J. S. (1899a) Notes on the Batrachians of the Paraguayan Chaco, with observations upon their breeding habits and development, especially with regard to Phyllomedusa hypochondrialis, Cope. Also a description of a new genus. Quarterly Journal of Microscopical Sciences 2 : 305-333.
- ^ Kerr, J.G.(1950). A Naturalist in the Gran Chaco. Cambridge (UK): Cambridge University Press