36o 
A. Winchell on the Taconic Question. 
difficulty, requiring palajontologic and sti-atigraphic skill of the 
highest order. A flood of light now shines on a question long 
dark. We can luiderstand that the defenders and the opposers 
of the Taconic have all had good reasons for their claims — if 
they had not made them so exclusive. American geology ow^es 
Walcott's stratigraphy within the Taconic area. 
Emmons' 
equivalents. 
Hudson terra lie. 
4. Shales and sandstones. Smooth shales with 
Graptolites. 
6. Red, black and green shales, cherts and sand- 
stones, faulted in between two parts of terrane 
No. 5. With Graptolites. 
Lower Taconic. 
Talcose slates. 
Trenton-Chazy-Calciferous. 
3. Limestone and marble, both sides of the Ta- 
conic range. Determinations worked out chiefly 
by Dana.i Fossils investigated by Wing, Dana and 
Dwight, and by Walcott. 
Potsdam group. 
2. Talcose and silicious slates, sandstones and 
limestones. 2,000 feet. 
2. Limestone with Potsdam fauna. 
Massive sandstone, with typical 
Potsdam fossils farther north. 
Calciferous,fnterbedded in shales, 
Limestone, with Potsdam fauna. 
Potsdam sandstone. 
JLimestone with Potsdam fossils. 
Saratoga 
county. 
Washington 
county. 
Dutchess 
county. 
1. 
1 3. 
flfC 
Lower Tuconic. 
Btockbridge lime 
stone. 
Super-Taconic. 
Chazy at Bald Mt. 
Super-Taconic. 
Calciferous. 
Potsdam. 
Overlapping by 
faulting. 
Georgia group. 
1. Quartzyte series. 
Shore-line deposit, con- 
temporaneous with No. 
5. Not as low as lowest 
of No. 5. Bennington 
and Pownal, Vt., North 
Adams, Mass., Stissing 
Mt., Dutchess Co., and 
elsewhere. 
5. Geoi'gia terrane. 
Slates, shales and in- 
terbedded limestones 
and sandstones 14,000 
feet. Off shore deposits. 
Fossils at over 100 lo- 
calities in the typical 
Taconic area. 
Lower Upper 
Taconic.=-Taconic. 
Granular 
quartz. 
Slates, 
Shales, 
limestones, 
sandstones 
Paradoxides fauna belongs helow. 
Mr. Wallcott gratitude and honor for what he has accomplished. 
But I am inclined to the opinion that it is the very seventy of 
his scientific method which prevents his due appreciation of the 
bearing of the facts which he has been foremost to bring to 
1 Amer. Jour. Sci., 1S72 to 1SS7. 
