1270 NEW YORK STATE MUSEUM 



PLATE 16 



Eurypterns pittsfordensis sp. nov. 



Page 1098 

 1 Broken cephalothorax and portion of preabdomen showing 

 two endognathites with their coxal joint in position, metastoma 

 and a sternite; and view from the interior of the operculum and 

 male appendage. Natural size 





