Roford Cynomys ludovicianus April 21, 1955 Weld + Larimer Cos. G/o. to predators (steeper high slope, easier capture?) - but next to Atrophy bushes & near boulders (at Faire colony). //15 snap traps set along fence near CPER colony; took 2 Peromyscus maniculatus (several other springing). Bait gone from 10 live traps & none springing at 8 a.m., CPER. April 22, 1955. Arrived CPER colony 10 a.m. Mapped until 10 p.m. Still no new gun grave except in north part 4 or certain slopes; weather must search to find it. //Set 17 steel traps in area 11 mi. N. of Waudly, 12 on Dec. 23 colony & 2 near site, 2 mi. to SE, where a single was seen yesterday (when 1 of 2 shot series). Cladonia increases rig during day; rather warm. Strong wind evening. April 23, 1955. Strong wind + clean skies. Visited Dec. 23 colony & took 3 specimens from 11 steel traps set. Two ad.07 (21) (#68) other were springing. Left 5 set, 0 m.f. in trap had filled mouth of burrow in struggling (not opened Apr. 25, so only occupied). Trapped animal had fur scraped from nose & belly. //But one taken Dec. 13, when apparently no neighbor, worn student pelage (#66). This an same site as #746. Apparently had not been fertilized. No molt either (loctal tissue initiate ?) //#69 small (taken 50-50 from inside colony from peripheral burrow). April 24, 1955 Pregnant ♀ (67) taken near S. edge colony, 4 ad. #68 too. Larimer Co., Colo. April 24, 1955 Visited colony on Doug Jordan place Dec.31, 5 mi. SW of Loveland. Saw at least 7 out. Many burrows showed had dirt dug out of months, but no mounds building. Many diggings as for roots, but not obviously fresh. Droppings showed that burrows cutting top of tussacoder used by C.L.D photographed burrows. No new burrows. One at SW of colony at e.e.