The first week оf my being аmоng them, I hаrdly аte anything; the secоnd week, I found my stomach grow very faint for want of something, and yet it was very hard to get down their filthy trash: but the third week, though I could think formerly my stomach would turn up against this of that, and I could starve and die before I could eat such things, yet they were sweet and savory to my taste. This passage comes from _________by ___________ .