SP Myers 1974 Journal 28 17 February (Cont'd) Linear Grid, Arroyo Chico, Estancia Medland, 35 Km S. of Juvando by road, Ptdo de Madariaga, Provincia de Buenos Aires, Argentina from 0930 to 0945. Totals: White rump 4.3 (4-5) 17; Chandrius fallcklandicus 1.8 (1-2) 7; S. lapwing 0.5 (0-1) 2. The banded birds appeared in three data, a WRomp (R.y L. y.g.) and a Ch.falk. (R.v.). See op. accent) in Grid 13, and R.y L. y.g. in Subunit 10 of the Linear grid. During Down the Arroyo after leaving subunit 5 I passed the territory of Ry L. g., + found this WR at 75 m upstream, out on the territory. 5 sheep, one Ch.falk. and 2 BN Stilt were there counted. 700 m Nef Farmhouse, Estancia Medland, Ptdo de Gral. J. Madariaga, Provincia de Bs. Aires, Argentina 1015 drove north from the farmhouse after coming back from the linear grid. Went beyond the first windmill by N 200 m and in order to collect truffles. After a few minutes search I found one, shooting but only wounding. After following it I discovered other buffle which galloped after the shot, I managed to collect 3 (083, 084, 085). Estancia Medland, Ptdo de Madariaga, Provincia de Bs. Aires, Argentina 18 February We were unable to return to the Estancia - the creviera after a day in Mar del Plata because of intense rainfall rains. The Cotarec received 27 mm, Mar del Plata getting 37. Linear Grid, Estancia Medland, Ptdo de Madariaga, Provincia de Buenos Aires, Argentina 20 February 0920 arrived at Subunit 1 of grid 10 with Pablo Cancelli, Wt = 600 ftod, temp=15°, wind mod from S. O. clouds On the way from the farmhouse we sighted the first Cracophalus rubicollis - one solitary individual in the short grassland alongside the road before reaching the turn off to Tournelley. Total on linear Grid: White rump, 35; Chandrius fallcklandicus, 18; A.godwit 2; BN Stilt 7; S Lapwing 1; B.H gull 6; Speckled teal 2; Red Shoulder 2. Returning from the grid we cocktiled along the arroyo: From end to Grid 10: 51, +20 (3 Banded Rylyr, Ry L yg, and a Ch.Falk R.v.). From 5 to end of Subunit #1: 11. A total of 85. Then from Hum to the fence 22, or a total of 107. During the morning while working Grid 10 the linear grid we passed grid 4 and grid 10, which had buffle on them. Tour Arroyo, Estancia Medland, Ptdo de Madariaga, Provincia Bs. Aires, Argentina 1850 we ran the grid again Temperature at onset -18°, clouds 80%, wind light 2 samples From SE. Grid totals: White rump 34 (33-35) 68; Chandrius fall- landicus 19 (10-18); A.godwit 1.5 (1-2) 3; BN Stilt 4 (1-7) 8; Southern Lapwing 3.5 (1-6) 7