PFMTF, 30. 
Contorted Xiiinestone with Zi^-za^ wrinkled- Iu?nznae on the£i.'Shore^o/'J^eekskill Bay. 
Fi^.2. 
Sketch of part of a f'ein of Granite. 
50 by d-O feet, ■shewing the arran^eme/it 
o f Quartz Veijis. 
Ly Ij.D.Gate. 
Fi^.e. 
Sketch iihiatratin-^ the exte-rib of the 
PriTnai-j Limestone. 
on the- e/T.' e?id of J\fen'-fdrk Island. 
g bxL.D.OaLe. 
Zith-ot OZnaicott NZorTc. 
