SUMMARY OF THE LIFE OF THE PLEISTOCENE 



377 



developed groups which were evidently not as able to adapt themselves to 

 changing conditions as were the other groups. Additional data may change 

 these deductions, which, however, seem to be justified by the information pro- 

 vided by the animal life thus far obtained from deposits laid down between 

 the several till sheets. 



V. Systematic List oe Species 





u 

 X 



[3 

 "5b 



<L) 

 Pm 



a 

 "3 



o 



< 



o 

 | 



a 



CI 



o 



s 



be 



a 

 a 

 tn 



a 



.2 

 o 



PL, 



in 



si 



a 



o 

 (U 



PLANTS 



















BYROPHYTA 



















Sphagnace^e 



















Sphagnum species 





X 





X 









X 



FONTINAL ACE AE 



















Fontinalis species 











X 









Dickelyma capillaceum (L.) Schimp 

















Hypnaceae 



















Camplolhecium nitens (Schreb.) Schimp 







X 

 X 

 X 













Drepanocladus fluitans (L.) Warnst 













X 





revolvers Swartz 















aduncus (L.) Warnst... 







X 











intermedins (Lindb.) Warnst. . . 









X 







x 



Collier gon richardsoni Lesq. and James 







X 











Sematophyllum reatrvans (Michx.) Britton 









X 

 X 









Hypnum(?) commutatum Hedw 

















Plagiothecum denticidalum roseanum (Hempe) B. & S. 













X 



X 



Characeae 



















Chara species 











X 





X 





PTERIDOPKYTA 













EQtJISETACEAE 



















Equisetum sylvaticum L 















X 

 X 

 X 





Jluviatile L . 

















scirpoides Michx 

















species 











X 







Lycopodiaceae 

















Lycopodium selago L 















X 





species 





































