REPORT OP THE STATE PALEONTOLOGIST 1902 1165 



Feet 



General section at Manlius, Onondaga county 



1 Oriskany. Fossiliferous sandstone, 6 inches to 2 feet 



thick 



2 Helderbergian. Gray, compact fossiliferous limestone 6 



3 Helderbergian. Blue limestone beds 14 



4 Helderbergian. Stromatopora beds, upper portion 



much broken 12 



5 Helderbergian? Blue limestone, fossils rare 14 



6 Manlius. Upper waterlime bed. Eurypterus in this 



layer at Split Kock 4 



7 Manlius. Blue limestone with Spirifer vanux- 



e m i and Leperditia alta 4 



8 Manlius. Lower waterlime bed 4 



9 Manlius. Stromatopora bed at top. Blue layers be- 



low containing typical Manlius fauna 65 



10 Rondout. Upper portion, light weathering impure 



limestone; lower portion, a cement rock with 

 cavities 45 



11 Cobleskill. Fossiliferous limestone gradually grading 



into the Rondout 6 



12 Salina. Waterlime with Eurypterus 6 



13 Salina. Soft, greenish shales 10 



14 Salina. Gypsum beds, with intercalations of shale ... 65 



255 



SUPPLEMENTARY NOTE 



While the foregoing pages have been passing through the press 

 Mr Charles Schuchert 1 has published a paper " On the Manlius 

 Formation of New York." The results obtained by Mr Schuchert 

 and myself have been largely based on the same sections, though 

 we differ considerably in our stratigraphic and faunal interpre- 

 tations of them. As I have had recently an opportunity to 

 examine the section about Litchfield, Herkimer co. it seems to 

 me best to note in what respects we have differed in our sections 

 and hence why we differ so widely in cur results, specially in 

 regard to the grouping of the rocks under consideration, a differ- 

 ence which to a large degree would have been avoided, were we 

 more in accord in our stratigraphic and faunal determinations. 



American Geologist. March 1903. p. 160-78. 



