Koford 1+3 Cynomys ludovicianus June 16, 1955 (much activity here) Wind Cave, S. Dakota of about 15 added 50yds S.W. of that septentrion. This last 15 in area about 100' in diam., surrounded by fairly pure stand prairie, but boring on it mostly grass & some Asm. Belt of prairie about 18yds, wide separated from rest of colony, & a trail going thru this ft. tall gross. To W. of C.L. colony here slope steeper, but only about 10%. Much: aspert prairie, in fairly pure stand on this immiineral E. slope. Grassland mound in area prairie, Asm., prominent, as if C.L. may favor it over prairie on same sites, in 20' radius around burrows. In old S.W. septentrion area (King 1950), new burrows, about 16" x 22" deep, freshly dug, in Asm. & prairie & 50% bare ground. In general, low population on Ward A of King, little expansion of area, but filling in of involuted area of a now septentrion, to S.W., or some general level. // About 1/4 mile up Canyon to W. of Shertail Ward A found nest of Aquila, Two flur about, chick with mostly flight feathers in nest. This only 300yds from parts of C.L. town. // At least 2 burrows on Ward A appeared to have been dug out by Tadidae in part. On Ward B still mod. no. dogs, this month's fairs thin (Sangre) or Devils Tower colony in general). Wind Cave Nat'l Park, S.Dak. June 17, 1955. On Ward A, Shertail Canyon, counted 9 ad. jiv., at about 4:15 p.m., Mog. Largest group jivs. 3, 9/10 sec. a sec. etc. Class. Calm. // There are 4 spoon shaped depressions, apparently buffalo wallows now on this colony. King (1950 work) did not mention them. Some antelope & possible elk droppings on colony here. I collected plants growing on wounds now used: Solenum, Amaranthus, Artemisia frigida, & others. Mogpia 4 crews seen on ground in this colony. // In canyon broad bottom, S. of pool, near dawnation end of colony, I saw 7 groun