Keywords: Common Spiders U.S. 438 Micrathena mitrata.png en Acrosoma mitrata enlarged four times 1902 The Common Spiders of the United States Ginn Company Boston 1902 James Henry Emerton 1847 “ 1931 other versions PD-old-70-1923 The Common Spiders of the United States Uploaded with UploadWizard Micrathena mitrata |