Mr. J. Allen Brown contributed to the Anthropological Institute (1892) an elaborate paper "On the continuity of the Palæolithic and Neolithic periods," in which his line of argument is thus stated :—
A prima facie objection to Mr Brown's method is that no legitimate inference can be drawn from a graduated series of stone implements picked up on the surface, as in all large finds and workshops of Neolithic implements a sufficient number of unfinished, or roughly made, specimens may be readily found which, in appearance, can be paralleled with the later Palæolithic types. In the following year (1893), and at the same Society, Professor Boyd Dawkins read a paper "On the relation of the Palæolithic to the Neolithic period," in which his opinion is thus stated :—