Synoptical Table. I.— Loss Fossils. 



(Species now e 



Ktim-tintM.loe 







(Number of specimens measure 



in parenthesis^ 



«- 



~- 



— 





— 



N 6 °gtntr 



«■* 



Limnophysa 

 Mesodon 



humilis. 

 desidiosa. 



2 



2 



' 



Largest & inch. 



Smallest ,',r - inch.( III 

 Largest ■? inch. 

 Smallest -/■„• inch. (63) 



Smallest 6""".' (200 + ) 

 Average 13f»». 



Smallest 2»"». (37) 

 Height 6f""".' (2) 



A inch. 

 Extreme 







ftiW4fc- m ., 



Height 135~. (13) ' 



,.: h, .-■ 





Stenotrema 



monodon. 1 



irjdoT.titi.-i.tH,.. 1.C 11,-igh. 13'"'". 







alternata. 



striatella. 







Height 9-5 n ' m . (6) 21""". 



il. t : 

 Grcaterdiam. of largest Greater diam. 



Heiglil If.""". (59) Height 10 mm . 

 HdghTs-™' (109) ' , ' r f '-". r<iai "' 





Strobila 



labyrinthica. 



1 





subtly to. than • 





Conulus 



vug. 



i j 





— 





:::: : 



Avera-ediam. 3-.|"'"\ 'nHglit U mm - 

 Slightly less "than nor- Greater diam. 



HelicinidiE. 

 Auriculidae. 



2ZL* 



exiguum. 



~k 



"I'mriText """' ' 



5 



15 



24 







