Prelka 1943 7 ITINERARY June 11 2 mi SE Beegum, 1650 ft., Tehama Co., Calif. Alden H. Miller and I left Berkeley this morning at 7:30, driving northeast- ward on U.S. 40 through Richmond, Pinole, northward Vallejo, Dixon, and turning onto US 99 W just west of Davis. We continued northward through the Sacramento Valley to Red Bluff, turning west just north of Red Bluff and progressing through the foothill country to a spot 2 mi east southeast of Beegum, where we established camp. We arrived at our first collecting locality about 5 p.m. It is not far from the western border of the Sacramento Valley drainage. In the rice-growing region about Maxwell, Colusa County, we noted a number of swamp- and marsh-inhabiting species. These included Agelaius phoeniceus; Agelaius tricolor (abundant); Butorides virescens (five); Nycticorax nycticorax, 1; Casmerodius albus, common; Ardea herodias 2; Circus hudsonius, 1; Hematopus mexicanus, 1; Recurvirostra Americana, 3; Chlidonias niger, common; and Fulica americana, one. About five miles south of Red Bluff, we passed from the Sacramento Valley