Requested reference
Jackson, A. R. (1916b). On some arthropods observed in 1915. I. Arachnida. The Lancashire and Cheshire Naturalist 8: 355-364. 
-- Show included taxa
Jackson, A. R. (1916b). On some arthropods observed in 1915. I. Arachnida. The Lancashire and Cheshire Naturalist 8: 355-364. -- Show included taxa