i) 
Onur 
Eurypterus pittsfordensis Sarle 
Page 196 
See plates 13, 14, 16-18 
Relatively broad carapace and first tergite, showing the triangular 
scales at the base. Natural size 
Carapace, preabdomen and two postabdominal segments, showing eyes, 
ocellar mound, surface sculpture of tergites, and the postlateral lobes 
of the postabdominal segments. Natural size 
Dorsal view of last postabdominal segment, showing posterior emargin- 
ation. Natural size . 
Ventral view of proximal portion of telson, showing hinge and carina. 
The apparent incisions of the margin are due to cracking of the thick- 
ened edge. Natural size 
Ventral view of an obliquely crushed telson. Natural size 
Dorsal view of nearly complete telson. Natural size 
Originals (Sarle’s cotypes) are from the Pittsford shale, Pittsford, Mon- 
roe co., N. Y., and in the State Museum 
470 
