Correspondence
335
whether the special features upon which she lays stress were in the Coptic ritual in the twelfth century, or whether they are later accretions from some unknown source; this she has not done. In any case her arguments could only affect the provenance of the one romance in which these features are found; they have nothing whatever to do with the origin of the Grail. In dealing with so vast and complex a body of literature “a little knowledge is a dangerous thing.”