C. Koford 30 1951 Specimen Catalog September 24 8 miles SSW Limbari, 15000', Dpto. Puno, Peru Juv.- skull Y/3 ossified swallow 1273 ♂ test. Y/2mm. Riparia riparia starling?- gray, long bill 12 gms.; med. fat. iris yellow-brown 1274 ♂ test. 2mm. Idiopsar brachyurus 17 gms. Rock at shore swift clear stream 1275 ♀ test. 3mm. Cinclodes fuscus? Albiventris 30 gms.- no fat Swop trap at marsh hole under rock on grazed hillside. Brown, short tail, rufum chin. 1276 ♀? o.n.c. Asthenes (humilis?) 20 gms.- Nightf. September 30 Lake Aricona, 14 mi. NE Ccerco, 15000', Dpto. Puno, Peru 1277 ♂ test. 11x4 Cinclodes cerosito auricularia sand (8, 30 gms., Ignor. 2mm., discarded) 27 gms.- no fat 1278 ♂ test. 6x4 Asthenes modesto 18 gms,- slight fat Common intell grass & near road. 1279 ♀ lgst. omm 2 mm. Ptilocelys resplendens 200 gms.- no fat Common plowr. On pampas or damp flats. October 5 5 miles S. Asillo, 13000', Dpto. Puno, Peru 1280 ♀ vag. imp. no emb. Phyllotis asile? 238-125-27-34 gms. (anothre ♀, 214-114, 29 gms., deceased) 238-125-27-25-♂ Dry rocky slope near lusher. wt. bone long & slender. 1281 ♀ vag. imp. no emb. Akodon boliviensis? 135-57-18-13 13 gms. Thick dry bunch grass on steep dry gr. rocky slope Peruviana 1282 ♂ test. 1mm. Patagona gigas 23 gms.- no fat. Rushed on dry stalks on dry steep rocky slope where many lusher. 1283 ♀ or not cal. Orcotrochilus estelle 7 1/2 gms. 1284 ♂ test. 2mm. Zonotrichia capensis 24 gms. 1285 ♂ test. 3mm. Falco femoralis pichinchoo 275 gms. Blue gray dorsum, brown ventrum; mustard, light barring on tail & w.wing. October 11 6 miles SSE I mata 14500', Dpto. Puno, Peru 1286 ♂ test. 9x7 Phyllotis darwinii? 219-109-26-25 1287 ♂ t. 7x5 244-129-28-26 1288 ♀ lgst. ov. 1/2 Agriornis montana insolens ♂