Eurypterus remipes Dekay 
Page 161 
See plates 2-5, 7, 8 
Ventral side of carapace. Shows the split between carapace and marginal 
shield of underside, through which the animal probably emerged in 
molting; also the median suture of the marginal shield, and the im- 
mature female genital appendage of the operculum. Natural size 
A half doublure or marginal shield of carapace. x 2. Shows entire 
inner and outer margins and sculpturing 
Horizon and locality. Bertie waterlime. Jerusalem hill, N. Y. 
Carapace with attached first tergite. Natural size. Shows typical out- 
line of mature carapace, beveled margin, open slit between carapace 
and first tergite; and posterior doublure of first segment 
Horizon and locality. Bertie waterlime. Cranes Corners, N. Y. 
Carapace with attached first tergite. x 2. Shows visual surface of right 
compound eye, ocelli, ornamentation of carapace and tergite, fulcra of 
posterior margin of carapace 
Small carapace with first tergite. x 3. Preserved in partial relief. Shows 
the impression of the marginal shield of the underside with its median 
suture, the relatively great size of the lateral eyes [comp. fig. 3], and 
the transverse row of longer scales along the posterior margins of 
the first tergite 
Horizon and locality. Bertie waterlime. Jerusalem hill, N. Y. 
Carapace preserved approximatelyin original relief,in a porous dolomite. 
Shows the glabellalike median ridge of the posterior portion and the 
prominence of the ocellar mound. From a gutta-percha squeeze. x 3 
Horizon and locality. Bertie waterlime. Morganville, Genesee co., N. Y. 
7 Portion of right half of operculum with male appendage. x 3 
8 
Horizon and locality. Bertie waterlime. Cranes Corners, N. Y. 
Ventral side of young individual. x 2. Shows form and arrangement 
of young limbs and metastoma 
Horizon and locality. Bertie waterlime. Jerusalem hill, N. Y. 
All from photographs of which the originals are in the State Museum 
452 
