Cogswell 1949 Sialia [illegible] mexicana Aug. 19 Schoolhouse Peak, 3100 ft., Humboldt Co., Calif. From the lookout tower here this p.m. 5 cows be seen (1 ad. F, several fledglings + ? ?) perching on radio antenna towers or flying down after insects. Aug. 22 1 mi. NW Schoolhouse Peak, 2300 ft., Humboldt Co., Calif. 5 were seen perched in lead top of tall Douglas Fir at border of narrow strip of oak woodland at lower edge of large prairie. Sep. 9 (2 mi. NNW) Red Mtn., 5400 ft., 14 ½ mi. S Hayfork, Trinity Co., Calif. A bright ♂ and 1 dull plumaged bird flew together from the large open "bald" bordered by shrubland on its ridge top here.