@article{Waterhouse2007,
  author    = {Charles Owen Waterhouse},
  title     = {On the coleopterous insects collected by Prof. I. Bailey Balfour in the island of Socotra},
  journal   = {Proceedings of the Zoological Society of London},
  volume    = {1881},
  pages     = {469 -- 478},
  year      = {2007},
}