Crickaon 1934 Helodytes brunneicapillus conesi 4 mi. north of Fort Yuma, Imperial Co., Calif. Jan. 7, 1934 One seen in late afternoon in mesquite bush at side of road in cultivated area; collected. Welton, Yuma Co., Ariz. Jan. 11, 1934 Two, apparently a pair seen on NE edge of town in trees along fence, in region of once cultivated field. One singing from perch at edge of tree on lower limbs, about 8 ft. above ground. Flew into brush 50 ft. away as I approached. Auitobaquito, Pima Co., Ariz. Jan. 26, 1934 Seen and heard during early part of morning at frequent intervals and on all parts of mesa covered in mornings trip. Sang from ocotillo frequently; perched somewhat below top of branches. Rales Well, Pima Co., Ariz. Jan. 28, 1934 7:30. Singing; still very dark though light beginning to show in east. First bird song noted, common in region, but from number of songs less abundant than at Auitobaquito. Specimen 259 taken at edge of wash and lava hill in Crowler Pass; was near one of small cups of water formed in hollow of lava and had been drinking.