Koford 176 Cynomys lodovicianus July 11, 1955 Wind Cave N.P. S. Dakota. B ± "long, pulling at bore, standing & sitting at bore, sometimes dirt- carding after 3 or 4 bites. At least 3 leaves eaten this way in 2 min. At close range I saw another pulling pruluma Ag. Smithii, grasping firmly at bore with teeth, pulling out (of sheath ?), sitting tip-to- carding. Evidently conditions for feeding excellent in this foreground of Ward C. // In Area X, 8 a.m., 2 gram + 2 jinvs. (so lost no?). Area Z, 3 gram + 2 jinvs., so lost no. In area Y, 1 gram (where I trapped a jin. lost no). To S + SW of Ward A, 12 gram + 7 jinvs. (poor count). // S. end Ward C', of Cirsium plant 5 leaves cut (about 1/3 remained on grid), but 12 ± still on plant. Anyway to 1' tall in vicinity not cut! At one site Arctostaphylos 6" tall, & a broad-leaved mint 4" tall, was cut. At S. end, much Ag. sm. cut. I picked up 20 dry cut stalks in one landgroup (wind occurs ?). Where much Sphaerula, much cut (in flower; eaten ?). Badger burrow - spiderweb covered door; as site of feeding, not den? Apparently C. l. has little effect in keeping down Lopula except near its mounds. Where Bromus or Bolton thinned, Lopula increased greatly, & Ag. sm. dominant grass. // At another site on C'; 15 leaves Cirsium cut; leaves to 8" high above ground, in area 2 sq. ft. again, 3 heads in flower bearing stalks 1-1½' tall cut in area 2 sq. ft. A mustard also much cut when present to 2' tall - (her aids, not flowers now). Where dogs border tall Bromus, much cut at edge stand down. // Herman, pet boly prairie dog, has molt line over back behind shoulders, new hair on posterior locks moving forward. We have a canvas vest for Herman & a thing attached to this acts as leash. Herman at first opportunity started to dig under rocks of our old fireplace, in an old C. l. burrow. Within about 2 min. he broke thru into the hole below. Lota