REPORT OF THE STATE PALEONTOLOGIST I903 245 



G. pseudogaleata (Hall) 



Very abundant in the 2>^ feet of the lowest Becraft and is of the 

 average size of those figured by Hall.^ 



Stenoschisma formosa Hall 



A single specimen was found in the Upper New Scotland and 

 several in the Lower Oriskany. 



TJncinulus campbellanus (Hall) 



Occurs very rarely both in the Upper New Scotland and Becraft. 

 At Becraft mountain, N. Y., it is very abundant in the latter forma- 

 tion. 



TJ. nucleolatus Hall 



Very abundant in the Lower Coeymans. In size as well as in 

 number and sliape of plications it is normal. 



U. pyramidatus Hall 



Not found outside the Coeymans. This with the preceding species 



is specially characteristic of the lower portion of the Coeymans 



proper. 



Eatonia medialis (Vanuxem) 



An abundant species, found both as perfect shells and as internal 

 molds of the pedicle valve. It is most abundant in the New Scot- 

 land but also occurs in the Coeymans and Lower Onondaga. In the 

 Lower Onondaga were found two internal molds of the pedicle valve, 

 1 6mm wide, but they have the characteristic muscular impressions. 



E. singularis (Vanuxem) 



Not nearly so abundant as the preceding but is usually well pre- 

 served and occurs frequently in the Lower New Scotland and Port 

 Ewen and very rarely in the LTpper New Scotland. 



Beachia suessana Hall 



Usually well preserved and quite abundant in the Lower Oris- 

 kany. One specimen was also noticed in the Upper Oriskany. 



Tal. N. Y. V.3. pl.48, fig.2a-h. 



