ABSTRACT. The question I address in this paper is, "According to the later-Wittgenstein, are human beings able to communicate with an extraterrestrial intelligence (ETI)?" In addressing this question, I defend a Strong Biological Interpretation of the term "form of life" (Lebensform) as this term is used in the Philosophical Investigations. I then argue that if my interpretation is correct then significant skeptical problems make communicating with an ETI extremely unlikely.