Answer:
They believed Indians to be primitive people with superstitious beliefs and practices.
Step-by-step explanation:
In this passage, it is clear that the speaker is a superstitious person. We know this because he talks about evil incantations, sacrifices and evil spirits. Moreover, we can assume that the speaker thinks that Indians are a primitive people. This is clear from the fact that the speaker calls them "savages." We also see that the character, Tom Walker, has a bad opinion of this place on account of these beliefs. This cultural attitude was common among the people living at this time and place.