KERRVILLE, Texas, July 8 — Search teams plodded through muddy riverbanks and flew aircraft over a flood-ravaged central Texas landscape yesterday as hopes dimmed for finding more survivors among dozens still missing from a disaster that has claimed at least 96 lives, many of them children.

HUNT, Texas, July 7 — The death toll from catastrophic floods in Texas reached at least 67 yesterday, including 21 children, as the search for girls missing from a summer camp entered a third day.