Chapter 6: When trapped in the cave tunnel, Jose has two pistols so the Tiger Woman can use one. In Chapter 7, Jose again has only one pistol.
Chapter 10: Walton is reading from the newspaper of the Tiger Woman's reported death, then comments on going to the temple and capturing HER.
Chapter nine: despite the fact that Allen's boat is bombed by blasting torpedoes, he shows not a trace of water, he is completely dry.
Chapter ten: Hearing the fact that the oil well will be in in two weeks, Daggett points to a calendar that reads the 6th and states it will be due on the 15th. That's only nine days, it should be on the 20th.
Western saddles in the "Darkest Jungle?"