Requested reference
McCook, H. C. (1884). A spider that makes a spherical mud-daub cocoon. Proceedings of the Academy of Natural Sciences of Philadelphia 36: 151-153. 
-- Show included taxa
McCook, H. C. (1884). A spider that makes a spherical mud-daub cocoon. Proceedings of the Academy of Natural Sciences of Philadelphia 36: 151-153. -- Show included taxa