Koford 31 Journal May 19, 1955 Weld G, Colo. Watched Cyprin at CPER in morning. Many bark luntings in flocks on range & perched on fence, ?74 g.g. I also saw a few single McCown's longhoppers. When descending to glide, glide down with wings held – and tail spread. Saw a mountain plower walking new work near CPER, & have seen one in area on previous occasions. Two Swainson (?) hawks about 2 mi. W. of Niem, when seen before; a g nest (of these?) in cottonwood nearby. Saw a boly Phrynosoma douglasii on Jan. 22, & a Citellus 13-linister near Cyprin colony. Calm & overcast morning; stay with dusty afternoon. Visited Aen ranch near Rockport & collected Cyprin. Buds now forming on Opuntia leaves. May 15, 1955. Ft. Collins, Colo. Clear, but very stray wind. Probably 40-50 mph. on plains. Weld G, Colo. May 16, 1955. 5/10 overcast morning. Visited CPER colony in after- noon. McCown's longhopper, nitin, plower, bark luntings, found larvae seen there. Swainson hawk 3 mi. W of Niem have half built nest in wilted cottonwood tree. Costa below nest hole for mouse lovers, grasshopper parts. At Aen ranch shot 2 Cyprin. Rain in late afternoon. Cold evening. Larimer G, Colo. May 17, 1955. Visited 3 local Cyprin colonies to look for young. Put up explosion in Wellington pressure colony, May 18, 1955. To Hot Springs, S. Dakota. Departed 9 a.m. & drove from Ft. Collins via Cheyenne & Torrington, Wyo., to Hot Springs, S. Dakota, arriving about 6 p.m. Compared to plains of N. Colo., Wyo. & S. Dak., group liead Torrington, grass had mixed-prairie appearance. I saw 2 Swainson hawks along the way. Spent evening talking with James Cole, Biologist of N.P.S.,