34 



LIFE OF THE PLEISTOCENE 



STATION 18 



2345 feet north of Foster Anenue. Surface 590 feet A.T.; 10 feet A.L.M. 



Strata 



Deposit 



Depth 



Remarks 



XVII 



Silt and loam 



23 



6 



12 



21 

 1 



2 

 4 

 3 

 5 

 H 



5 

 12 

 18 



2 

 10 



With few shells. 

 With few shells. 

 Pockets of shells. 

 With pebbles. 



With shells. 



With shells. 



With shells. 



With Unios. 



With shells, logs, leaves. 



m 



XVI 

 XV 



Peat 



Silt 





XIV 



Peat 





XIII 



Silt 





XII 



Sand 





XI 



Silt 





X 



Fine sand 





IX 



Silt 





VIII 



Fine sand 





VII 



Silt 





VI 



Sand 





V 



Silt 





IV 







III 



Silt 





II 



Sand 





I 



Boulder clay 







Total thickness.... 







130J4 





Fusconaja undala 

 Crenodonta peruviana 

 undulata 

 Quadrula pustidosa 

 Rotundaria tuberculata 

 Pleurobema coccineum 



Pisidium compressum 



" virginicum 

 Quadrula pustidosa 

 Rotundaria tuberculata 



Lampsilis luteola 

 Sphaerium striatinum 

 Pisidium affine 



" variabile 

 Goniobasis livescens 



BIOLOGICAL REMAINS 



Stratum IV 



Elliptio crassidens 



" gibbosus 

 Sphaerium sidcatum 



levissimum 

 Campeloma integrum 

 magnalacuslris Goniobasis livescens 



Stratum VI 



Lampsilis luteola 



Goniobasis livescens 

 Campeloma subsolidum 



Stratum VIII 



Campeloma integrum 



subsolidum 

 Galba reflexa 

 Planorbis parvus 



