Forks of Credit, Aug. 22-1912. Thursday. Left Toronto on the C.P.R. at 7.20 A.M. In Cataract where we will arrive at 9.37. Professor Parks is with me. Setting off at Cataract Junction and walking on the upper trail, omit that spot to Elora about 1/8 mile beside a spring one sees the contact between the heavy bedded Niagara limestone (Lack- port) and the green Clinton shale. Of the li- mestone seen about 4 feet followed by 4 feet of green shale. The Niagara dolomite is here the heavy bedded grey somewhat cavernous as well seen yesterday at Lornehouse but here at Cataract they are no thin bedded li, as seen yesterday. We then descended to the lower track - the road we came on this morning - and here we see that there must be from 10 to 50 feet of green shale below the Niagara dolomites before one came to the red ferruginous limestone with stelspore,