Grum 1927 Colorado River Lower Calif Mexico 20 mi. S of Pilot Knob 30. Oct. 11, 1927 tracks of Bobcat, coyote, corn, shunk & little spotted shunk. There are many lizards. The dryer part of this land covered with a dense growth of arrowweed. The slightly moist sections being covered with tall willows about 15 to 20 ft tall. As we drove along the road a quarter of a mile from here through these tall willows, which hung over the narrow road, many small wick worms & and hairless cater collars were brushed off of the willows in to our laps. more: I set out 25 traps tonight near camp on the edge of a clearing on the border of a hearty growth of arrow weed. 743 Lizard. Anny small lizard I caught in the tent.