CATSKILL DIVISION. 
309 
Dr. Hubbard of Prink-street has in his collection a very large specimen of a vege¬ 
table fossil found in the grey grit rock, a foot in diameter. Some of these plants 
have a long and delicate leaf, like some of the grasses ; and these and others bear a 
strong resemblance to some of the fossil plants in the anthracite coal, shales and grits 
in Pennsylvania. 
23. The grey grits and the interstratified red grits and shales were observed on the hill be¬ 
tween Preston-hollow and Oakhill, one to two miles from the latter place. They appear 
to be the same rocks as those that plunge below the creek between Preston-hollow and 
Young’s, at the Depot on the railroad, and at Prink-street. These locations would 
seem to indicate a slight westwardly dip. 
24. The grey grit was seen one or two miles from Prink-street in Durham, on the road to 
Catskill, covered with a double set of scratches, and underlaid by the red grits and 
shales. (This locality has been mentioned in the table of localities of scratches.) 
25. At Post’s mills, in Durham, Greene county, the stream has cut a deep gorge in the red 
grits and shales, similar to those under the grey grits mentioned in the paragraph above. 
The same grey grits here overlie the red grits and shales, as that on which the scratches 
were mentioned. A section of these grits, etc. has been given. Vegetable impres¬ 
sions abound in the grey grit at this place. Vegetable impressions were seen abundant¬ 
ly in the grey grits in a quarry about one mile west of Oakhill. 
26. The red grits and shales were observed in the bed of a creek between Hickok’s sulphur 
spring in Greenville, and Freehold, at the leather factory. 
27. The red grits and shales, and the thin bed of blue slate, are well exposed in the right 
bank of the Catskill creek, three quarters of a mile above Pleasant-valley, in the south¬ 
west part of Rensselaerville township, Albany county. 
28. The reddish or chocolate-colored grits were seen in the banks of Fox creek, between 
Preston-hollow and Weeden’s sulphur spring in the same township. 
29. The red and variegated grits, red with green spots in the grit, and with the green band 
of shale, were seen at the mill-dam near Potter’s-hollow, three quarters of a mile west 
of Pleasant-valley. 
30. The red grits were seen west of Potter’s-hollow, in ascending the mountain. These were 
succeeded by the grey grits, and these last by several hundred feet of the chocolate- 
colored grit, and this was capped by one hundred or two hundred feet of the red shales. 
The hills north and south of the Gap, over the mountains on the road from Durham to 
Gilboa, were of red shale. 
31. At the stone arched bridge, five or six miles from Durham, on the road to Cairo, the strata 
are well exposed. A section of those exposed is given on Plate 6, fig. 1. 
32. The grey grits and shales only were seen beyond this, on the road to Cairo, and thence 
four miles south, and along the base of the mountain to where the road crosses the 
branches of the creek that rises near Acra, flows south three miles, and then south¬ 
east and east and northeast to Cairo. The red rocks were seen in the beds of these 
branches, and near Acra, and at the crossing of the creek that rises near Acra and 
