Pocock, R. I. (1895). On the Arachnida and Myriopoda obtained by Dr. Anderson's Collector during Mr. T. Bent's Expedition to the Hadramaut, South Arabia; with a Supplement upon the Scorpions obtained by Dr. Anderson in Egypt and the Eastern Soudan. Journal of the Linnean Society of London, Zoology. 25(161): 292-316.
On the Arachnida and Myriopoda obtained by Dr. Anderson's Collector during Mr. T. Bent's Expedition to the Hadramaut, South Arabia; with a Supplement upon the Scorpions obtained by Dr. Anderson in Egypt and the Eastern Soudan