Requested reference
Pickard-Cambridge, F. O. (1900). Arachnida - Araneida and Opiliones. In: Biologia Centrali-Americana, Zoology. London 2, 89-192. 
-- Show included taxa
Pickard-Cambridge, F. O. (1900). Arachnida - Araneida and Opiliones. In: Biologia Centrali-Americana, Zoology. London 2, 89-192. -- Show included taxa