Peggy was crawling about on the living room floor as Gretchen chatted with a house guest. The floor was littered with her toys and the dog’s. “No, Peggy. Don’t chew on that. That’s Scurry’s bone.”

RELEVANCE — The kinds of verbal naming formulae witnessed by Ninio appear in everyday incidents of prohibition. Teaching a kid words from book-reading and looking at pictures appears a relatively unnatural task into which the woman subject apparently transposed the harder to document, more natural occurrence, from situations where verbal commands control the infant.