Koford 198 Cynomy s ludovicianus July 26, 1955 Wind Cave N.P., S. Dakota. 9 a.m., Ward B, Shuttle Can., saw 7; 2 at 1 burrow Wind, 2 at one E. end. One stood atop B "high boulder as if to look. Ward F, about 8 only; one fetus at upslope edge colony (fertility steep). Ward D, census plot, counted 18; 5 or + juveniles, 10 being in E. 1/3 of area, 3 near spot of pure Chrysopodium leptophyllum, 2 at upslope edge. One group juveniles at site where seen (marked) in June. // Another site where juveniles seen in June, at S.E. corner Ward D, shows no evidence recent use by C.L. At Ward Ward B, Art. frij. cut but not 10" Kalonia aestivalis (grown later?). Some Artemisia gnaphalodes cut same area. // Block widow spider with 2-3 egg cases seen in several unused burrows. // Ward D census plot vegetation mainly falar; sat. 80% Verbena bracteata; other Chrysop. leptos, Dyspoda papo, Munroa squarrosa, Sph- andra (N part); also Euphobia (N. part, strepen), Asclepias pennula, Salonum triflurum, Aristida fendler (little), Schelomandrus. 1/3 clen gradient vegetation toward edges; mainly bordering dry area Andropogon scoparius // 10 m mound Dys. papo., Chrys. leptos, Verb. bract., Sol. trifl. One dog seen eating green Dys. poppoeza, holding out plant, eating base stem. When Chrysop. leptos, thick, 50% cut for several square yards. // In general, toward edge colony Bout. grac. & Ag. smithii increase, usually latter appearing first. At E. + N (upslope) edge Ward D, B.gr., starts about 60' from edge colony, a.m. about 100' (from upslope edge). // Grasses from colony to outside at upslope edge on site: Afe, Spa; Bgrs, Asm.; Age (+ Bout. curtis, Casey) when slope about 10%. // Ward D, saw 10 (juveniles) at 11 a.m. On one old mound, tufts of Andropogon scoparius persisting. Grasses from center to upslope edge; Munroa sg., Aristida; then Carex, Bgrs, Andropogon.