. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 310 Bulletin Museum of Comparative Zoology, Vol. 146, No. 6. Map 4. North American distribution of Nuctenea sclopetaria (Clercl^). the orb is 25 cm across. The retreat is less silk lined than that of N. cornuta. The web has been illustrated by Nielsen (1932, fig. 305). I think the species prefers more arid, shaded areas than N. cornuta. I have found the retreat under bark in lodgepole pine at Jackson Hole, Wyoming, in a rather dry area. According to Wiehle (1931) and Kaston (1948) there may be a signal thread to the r
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 310 Bulletin Museum of Comparative Zoology, Vol. 146, No. 6. Map 4. North American distribution of Nuctenea sclopetaria (Clercl^). the orb is 25 cm across. The retreat is less silk lined than that of N. cornuta. The web has been illustrated by Nielsen (1932, fig. 305). I think the species prefers more arid, shaded areas than N. cornuta. I have found the retreat under bark in lodgepole pine at Jackson Hole, Wyoming, in a rather dry area. According to Wiehle (1931) and Kaston (1948) there may be a signal thread to the reti^eat or the spider may use a radius to return to it. Distribution. Some American authors indicate that this is a more northern species than N. cornuta. This may not be quite correct; however, the species is not found in die southeastern states. It appears to be common from the Arctic to North Carolina and Arizona but is much commoner than N. cornuta in the west, the Rocky Moun- tains, and the Pacific northwest states (Map 3); also Eurasia. Nuctenea sclopetaria (Clerck), new combination Bridge spider, Gray-cross spider Figures 85-88, 103-104, 108, 114-115, 124, 125, 128; IVIap 4 Araneus sericatus Clerck, 1757, Aranei Svecici, p. 40, pi. 2, fig. 1, 9 . Female type from Sweden lost. Bonnet, 1955, Bibliographia Araneorum, 2: 594. Araneus sclopetaritis Clerck, 1757, Aranei Svecici, p. 43, pi. 2, fig. 3, $. Type specimen from Sweden lost. Locket and Millidge, 1953, Brit- ish Spiders, 2: 136, figs. 88b, 89a, 90a, 9, $. Aranea undata Olivier, 1789, Encycl. Method. Hist. Nat. Ins. Paris, 4: 206. New name for sclope- tariits Clerck, but preoccupied by DeGeer, 1778. Wiehle, 1931, in Dahl, Tierwelt Deutsch- lands, 23: 90, figs. 130-133. Aranea ovigera Panzer-, 1804, Syst. NomencL, in Schiiffer, Icon. Ins. Ratisb., 1: 244, pi. 174, fig. 3. Aranea sericata, - Comstock, 1912, Spider Book, p. 486, figs. 510-512, 9,5; 1940, op. cit., rev. ed., p. 500, figs. 510-512, 9, $. Aranea ovigera, - R
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