Koford 50 Journal October 15, 1955 N. Larimer + NW Wald G, Glo. With Dr. Paul Moulton of Cal. Univ. + 3 students visited 3 Cyprin ge towns & searched for rattlesnakes, but found none. Clear warm, light breeze. Saw 1 Agkistrodon on Falco Medicus. October 16, 1955 Visited Sec. 10 colony 9 mi. N. Waukly 4 tools 1 Cyprin & 1 Tetrades from 15 steel traps set then. No catch in 15 snap traps set near C. D. hole (one tiny snap trap change yesterday). Took up traps. Set 3 near burn area in silty soil as low river. One Sylpholagus in steel trap at Cyprin burn. October 17, 1955 N. Larimer G, Glo. Visited steel traps at Sec. 10 & took all up. Tools: no Cyprin, 1 jaw. Sylpholagus (small). 3 snap traps held on Onychomys (discovered; see species notes). At Sec. 10 colony I shot 6 Cyprin for examination. NW Weld G, Glo. October 18, 1955 at C.C. area buffalo ranch 1 mi. N. of Fochpat I shot 6 Ortho Cyprin for examination. At CPER shot 2. Saw 2 eagles & 1 Catalina at CPER. Calm, warm, but prod. wind. NW weld G., Glo. October 19, 1955. Examined carcasses a.m. Dr. p.m. visited Terry Ranch near Wyoming line & viewed several Cyprin traps. Warm, high clouds, moderate breeze. Mr. F.T. Collins, Gla October 20, 1955. With Dr. Beidelmann & ecology class visited colony near town & dug burrows, surveyed mounds, amount soil in mounds, a relation to slope. Oil sprinkling except; sprinkling of rain in p.m. October 24, 1955. Depart → Boston Drove to Ft. Morgan from Ft. Collins & took train for Chicago on way to A.O.U. meetings in Boston. Region east of