2004 64 p., 187 figures, frontispiece, paperbound. Monographs of the Western North American Naturalist. Library stamps, else very good copy.Furthermore in this issue are: Zenger & Baumann, The Holarctic winter stonefly genus Isocapnia (Plecoptera), with emphasis on North American fauna (31 p., 39 figs) & Stark & Baumann, The winter stonefly genus Paracapnia (13 p., 37 figs).