1276 NEW YORK STATE MUSEUM 



PLATE 19 



Eurypterus pittsfordensis sp. nov. 



Page 1098 



1 Fragmentary abdomen. Shows character of tergites, co- 

 tably their relative shortness and the four triangular scales on 

 -each preabdominal and on the first two postabdominal ring 

 segments, while the succeeding two show their ventral characters. 

 The swimming foot is also partially shown. Natural size 



