42 



LIFE OF THE PLEISTOCENE 



Picea canadensis 



Proptcra alata 

 Anodonia grand! s 

 Sphaerium stamineum 

 " striatinum 

 Pisidium species 



Picea canadensis 



Picea canadensis 



Abies balsamea 

 Larix laricina 

 Thuja occidentalis 

 Picea canadensis 

 Picea mariana 



Picea canadensis 



Picea canadensis 



Picea canadensis 



BIOLOGICAL REMAINS 



Stratum III 

 Plants 



Animals 



Valvata tricarinata 

 A mnicola limosa 

 " emarginata 



Stratum IV 



Stratum VI 



Stratum VIII 



Cast of Unionid 



Stratum IX 



Stratum X 



Stratum XI 



Sphaerium stamineum 



Sphaerium striatinum 



stamineum wisconsinensis 

 solidulitm 



Anodonia grandis 



Sphaerium stamineum wisconsinensis 

 striatinum 



Stratum XII 

 Sphaerium staminejim wisconsinensis Anodonta grandis 



solidulum 



Sphaerium flaoum 



Stratum XV 



