Eurypterus remipes Dekay 
Page 161 
See plates 2-4, 6-8 
Carapace of early neanic stage. x5. Shows size and position of lateral 
eyes and size and prominence of ocellar mound. Compare with the 
later stage, plate 5, figure 5 
Horizon and locality. Bertie waterlime. Litchfield, Herkimer co., N. Y. 
Carapace of later neanic stage. xX 5 
Horizon and locality. Bertie waterlime. Paris hill, Oneida co., N. Y. 
Young individual, x 2, partly retaining original convexity and orna- 
mentation of dorsal side 
Young individual, x 2, showing impression of marginal shield of under- 
side of cephalothorax [comp. figure 6] and partly retaining original 
dorsal convexity 
Older individual reproduced in natural size. Retains segments in normal 
position and original curvature. Shows convex rhachis and flat 
epimera of dorsal side 
Carapace, in natural size, retaining in original position the marginal 
shield or membrane [see pl. 6, fig. 2] of the ventral side of the cephalo- 
thorax 
Carapace, x 2, showing two circular, wrinkled spots in front, supposed 
to be muscle scars. The ocelli also are very distinctly seen 
Horizon and locality. Bertie waterlime. Litchfield, Herkimer co., N. Y. 
All figures are from photographs. The originals of all specimens are 
in the State Museum 
450 
