Requested reference
McCook, H. C. (1888c). Nesting habits of the American purseweb spider (Atypus abbotii). Proceedings of the Academy of Natural Sciences of Philadelphia 40: 203-220. -- Show included taxa
McCook, H. C. (1888c). Nesting habits of the American purseweb spider (Atypus abbotii). Proceedings of the Academy of Natural Sciences of Philadelphia 40: 203-220. -- Show included taxa