Published in Proceedings of the Entomological Society of Washington, in 1889, in volume 1, pages 118-135

Published in Proceedings of the Entomological Society of Washington, in 1889, in volume 1, pages 162-163

Published in Proceedings of the Entomological Society of Washington, in 1889, in volume 1, pages 163-165

Published in Proceedings of the Entomological Society of Washington, in 1889, in volume 1, pages 169-171