[ Reversing Falls D6089] EM and it is cut off by dikes and finally by great granitic intrusions. In other words the Cambrian was laid down on an old surface of Proterozoic rocks and at this place there is nothing to show that the Lower Cambrian was ever deposited here. Young says that the line of strike of the Portagee hills is also that of the Cambria. Therefore a guide to the three lines. On Mary good island occur the Didymema beds. Have two pieces. At the Cuspensana bridge got a lot of pros grafted like. The common one which says is Didymographtis like extensive. As no Diploraptids occur here he was disposed [45] to regard the horizon as the Tetragraptus zone, [60] In another slot found Corynoids like gracilis and then marks the base of the Martino key. As these two zones come one together and apparently if we gone I should