scrutator n. a person who investigates ambagical adj. obscure butyraceous adj. of the nature of, resembling, or containing butter delibation n. a slight knowledge of something In “The Adventure of the Six Napoleons,” Sherlock Holmes makes an enigmatic allusion: “You will remember, Watson, how the dreadful business of the Abernetty family was first brought to my notice by the depth which the parsley had sunk into the butter upon a hot day.” He says nothing more. In The New Annotated Sherlock Holmes, Leslie Klinger writes, “Numerous pastiches and analyses of the ‘Abernetty business’ have been written and are surveyed in...