Adelphicos newmanorumAdelphicos newmanorum, the Middle American burrowing snake or Newmans' earth snake, is a colubrid snake. It is endemic to Mexico and known from the states of San Luis Potosí, Nuevo León, and Tamaulipas.EtymologyAdelphicos newmanorum is named in honor of American zoologist Robert J. Newman and his wife Marcella Newman.AppearanceAdelphicos newmanorum is reddish-brown.