1278 NEW YORK STATE MUSEUM 



PLATE 20 



I Eurypterus pittsfordensis sp. riov. 



Page 1098 



1 Ventral view of part of last sclerite showing posterior 

 emargination and curved rents. Natural size 



2 Dorsal view of last sclerite showing the posterolateral 

 striated spurs and the median denticulate notch of the posterior 

 edge. Natural size 



3 View of two sclerites and telson in approximate positions. 

 Natural size 



4 Ventral view of nearly complete telson. Natural size 



5 Ventral view of proximal portion of telson. Natural size 



6 Dorsal view of nearly complete telson. Natural size 





