BOCKS. 29 



Names. Associated fossils and localities. 



24 HuDsoN-RivtR SANDSTONE (with obscure remains of Chatetes, Orthis, 



etc.). Loraine. 



25 do (with Amhonychia and Orthonotd). Talcott's 



quarry, near Eome, Oneida. 



26 do (with Ambonychia), Talcott's quarry. 



27 do (with Modiolopsis). Talcott's quarry. 



28&29 Hudson-river camareous sandstone (withlie^jtewa alternata). 



Pulaski, Oswego. 



30 Hudson-river calcareous sandstone (with obscure fossil impres- 

 sions). Falls of Salmon river. 



81 HulisoN-RivER cALCAkEous SHALE (with ob.scure.fossils) . Northwest 



corner of Columbia county. 



32 HuflsoN-RivER CALCAREOUS SHALE (with cWnoidal plates and shells). 



Pulaski, Oswego. 



33 HuDSON-RIVER DECOMPOSING SHALY SANDSTONE (with CyrtoUteS OT- 



natus). Loraine, Jefferson, 



84 HuDsoN-KlvER CALCAREOUS SANDSTONE (with Belleroplwn hilohaius). 



Loraine. 



35 HubsoN-RivER SANDSTONE (with Ortkoeeras). Oneida. 



36 i& 37 Hudson-river shaly sandstone, decomposing (with Leptcena, 



etc.). Pulaski. 



38 HuLsoN'RivER CALCAREOUS SANDSTONE (with fossil fragments). Pu- 

 laski. 



89 Hddson-river sandstone (with Leptana alternata, etc.). Loraine. 



40 Hudson-river calcareous sandstone (with Ghcetetes & fragments). 



Talcott's quarry. 



41 HubsoN-RivER Calcareous sandstone (with Ambonychia), Oneida. 



42 Hudson-river calcareous sandstone (with obscure impressions). 



sixth wall case. 



43 Shaly sandstone. Snake hill, Saratoga. 



44 Green shale. Snake hill. 



45 Gray sandstone. Redhook, Dutchess. 



46 Green shale. Snake hill, Saratoga. 



47 & 48 Black slate (with graptolites). Columbia county. 

 49 Shale. Banks of North river, Dutchess. 



