These upper green shales I saw yesterday at Limehouse are only six feet thick and there as here are abundant in flinty - greens with dolerona. Then follow below red decidedly ferruginous shaly limestone with some shale gnes having a united thickness of 3 ft. It is these layers that I yesterday got most of my fossils out of. Below follow a thick series of green shales with occasional gnes of limestone. There is prob- ably 35 feet of this decidedly one shale material followed below by about 15 feet of decidedly green limestone with green shale faintings. This Part has usually spoken of as the Clinton. Below this is about 72 feet of heavy bedded and decidedly crumbbed ruffled sandstone just as one sees in the Chigara gorge. Then Richmond - Queenstown red beds. The sandstone has been widely quarried at the Forks of the Credit and all along the Cuesta from here to Limehouse. As a rule