ridge with the Lillurian shot. In the center of the slate belt lie the slate quarries. In a number of quarries one saw the folding are more or less over- turned to the work. The cleavage is fully developed and is almost always at right angles to the folds. In the thick groups of uniform deposits it seemed to me there was always a drag on the separation beds. Thus In one of the quarries one saw a fine development of alternation of bedding. Black, carbonaceous, sliffy shale with mica in pyrite. that contact. 2-4-8" < 2-1/2" a feeling joint mist band 3/8 to 1/2 inch wide. its cleavage separated either below or above. Sandy base, sometimes un-beded or slightly wavy. These cycles of deposition seem 6 to 10 inches, though corrections only 4 inches and at other as much as ten feet apart. The partur cycles are from 8 to 20 foot apart. There is usually a sandy bottom on a junction zone and then the Hard-carbonaceous layers in which there may occur more chunks of the regulation shales. See page (2) beyond.