"", Reith is satisfied to refer all of the Drilton to the Upper Cambrian, because below. He then went a little farther north and then crossed the ridge of the Drilton, and then came upon the Highgate slate. The limestone are here as elsewhere in the Lown Fork and these limestones are fearfully squeezed into one another. Fossils are com- on here but are not good, and as they are practically of the same kinds as in the Highgate Falls did not try to get a collection. See the four forms left. These however are of a higher horizon since they are in the lower forty of the Highgate. Those of Highgate Falls are in the upper Drilton. This locality is 2/3 miles north 15o W. of Highgate Centre. It is a little farther north and a little more east than the Lown Cambrian locality. The contact between the Colchester and Milton is a very irregular one. This irregularity appears to be due to the pushing of the Milton dolomite into the soft and yielding beds of the Colchester. There is known a head here for on the Parkers farm above the Hard Ledge is a knight met at once present at the Russell Ledge. They have Rhysia festinata, Bathgynthus klr-