Quart 1948 Citellus leucurus 2 May 18 Trumbo, 1700 ft. Baja California Five or six caught by Tex this afternoon and yesterday afternoon in Schuyler traps. Traps were set along brush fence surrounding an abandoned cornfield immediately east of camp. Area is in an arroyo and occupies the bottom of it. Sandy soil is present and a few remains of corn stalks may still be seen. Surrounding the area is rocky and covered with small trees and bushes heavily grazed by goats + cattle. May 19 Same Location. Shot two females (#215+216) this afternoon at 1:30. Both were shot as they sat in a brush fence surrounding a small field 200 yards east of camp. Many others were seen on the rocky ground outside of the fence and under heavily grazed brush, but they ran before I could shoot. One of the females had four large embryos, the other none. This species is abundant in this area. May 27 El Carrizalito, 1400 ft., 5 mi N. Santiago, Baja California Six or eight seen along road leading east from camp yesterday at about 10:00 pm. May 30 El Chorro, 800 ft., 2 mi W Agua Caliente, Cape District, Baja Calif. Several seen this morning in small piled granite boulders in stream bottom by camp. June 2. 6 mi N San Jose del Cabo, 250 ft., Baja California June 3 Very plentiful here around Prickly Pear patch