Single enclosure rolled to better habitat. The original lines were: The reorganized traps are: But the vacuous effect of INTA got Jorge Birkenes. He says there are some alfalfa fields somewhere that are plagued with locusts and promises to show them to me. I think I saw some in the valley bottom at Comallo. April 10 Candon Bruto. Night calm, whirly overcast, no ice. Ran traps at 8 am in double enclosure (nothing), single enclosure (1 also large), rocky level (nothing), steel traps (nothing), and rolling-hill traverses (3 Eligmodontia). Saw 2 more mice in rolling. Then at 9:30 a.m. ran grid at the Campo Amigo INTA. B2 807 caught, Eligmo (jun.) dead intrap. C7 802 caught " adult The grid was still muddy in place. There must be continuing subsurface drainage. Saw 2 short-tailed gerenuids with eye stripes in the brush at edge of grid. Then drove up to the enclosures on the hill above the caretaker's house. Saw Recthodon droppings there, maybe