"On Doro[illegible] lawn are ad [illegible] street in Allegheny, Pa. In a corner city. It saw a small coal seam 18" thick above which came an intense limestone and Productus semicircularis. This one of a calcareous shale. There is no transition here, for the [illegible] above the coal in the Ames li. maybe had Ambroelia planicurvira and Chants. gemulifera. The coal itself is stratified as if channelled but it is so slight as to have no importance. These layers depression are more deeper than 2 1/2 inches and usually not more an inch. Where the coal was formed the Ames li. is or came in directly up on continues in deposition on the coal. Below the coal is the "structureless clay" followed by above the underlying clay varying from a few inches to 12 inches which is stratified dep. From the underlying to the coal there is a gradual transition to that coal are finally all fine coal of stratified 18 inks thickness. Dorrs Run section, Allegheny. Lee Ray- mans published section. Here the lower micaceous or Buffalo sandstone rests irregular on the middle shale. Upper Brush Creek. Then at one end of the section there is about 10 feet of clay followed by above the Buffalo sandstone the Pine Creek Marine Limestone. This is less than 2 feet thick. onne I e co[illegible] then comes in another sandstone here called "Cats Run" On the right