Cynomys ludovicianus October 31, 1955. Bar Harbor, Maine Talked with John King about his prairie dog study in Wind Cave N.P. Looked at his color slides, 35mm. prints, & raw notes. Shown him my slides of Skirted Canyon. He noted little change in general appearance of the area except that BANNER LINE had been pushed back on Ward A. He said that luffalls had been a nuisance on Ward A during his study, & that the wall- aws had been thin as now. / Sometimes prairie dogs start to fill a burrow when there is a disturbance there. Hole after Once seen to start to fill when a dog entered. / Excavation of burrows had been near center of east side of Ward D. Vegetation map (p.15 of printed report) made July 3, 1950. / King saw C.L. shrew-baum mullin stalks. He trapped some Microtus on Ward C. / Peromyscus maniculatus. King set 19 traps on Ward A on July 12, 1948 & took 3, alive. By August 6 he had marked 18 in the 5 A. of Ward A. So at least 3/A. / In 1950 some burrows in ward C, not all made then 1951. The 1950 invasion was of area where some old burrows already. / Movie shows C.L. not migrating stop snow in February. / Little vegetation on Ward A until June. / C.L. seen to eat leaves thistles; shown in photo. / King orig. notes had different grid designa- tion than printed (NE corner of TT in orig. note in Mi in printed; stolbel with 4 bands = there at NE corn- er this quad). // Snow hoaler Mar. 15, 1950, shows no con- nection between exterior territories. // Cottontail 13-14 territory - seen to enter C.L. burrow, 4 seen in Ward A. / Eagle