Eurypterus? (Dolichopterus?) stellatus nov. 
Page 211 
Plates 83-87. Schenectady shale fauna 
1 Carapace, retaining the ornamentation and an ocular node. x 2. Type 
of species 
2, 3 Patches of integument with ornamentation, apparently referable to 
this species. xX 3 
4 Tergite with traces of ornamentation, probably belonging to this species. 
X 2 
Eurypterus pristinus nov. 
Page 207 
5 Carapace. Type. x 2 
6 Patch of integument with ornamentation resembling somewhat that of 
the type specimen. x 10 
Eurypterus megalops nov. 
; Page tor 
7 Carapace. Type. Natural size 
Eurypterus? sp. 
8 Leg segment, probably belonging to this genus. x 3 
Dolichopterus frankfortensis nov. 
Page 268 
g Small, fairly perfect carapace. Shows apparent traces of ornamentation. 
x 
to Carapace, obliquely shoved out of shape, but well preserving the orna- 
mentation and the lateral eyes. Natural size 
rr Small carapace, with original outline and well preserved, prominent 
lateral eyes and marginal border. Type. x 2 
12 Carapace with slightly differing outline and indication of the ocellar 
mound. Natural size 
13 A larger carapace and two tergites. The carapace is somewhat later- 
ally compressed and therefore appears relatively too long. 
14 Largest carapace preserved. Shows distinctly semi-circular form of 
eye nodes, and frontal margin and beveled border 
Dolichopterus latifrons 
Page 269 
15 Carapace showing the marginal border and lateral eyes. Natural size 
16 Carapace, apparently retaining the natural outline. Type x 2 
Horizon and locality. All originals are from the Lower Siluric Schenectady 
shale. Those of figures 1-6, 8-10, 15 and 16 are from the Dettbarn 
quarry at Schenectady, those of figures 7, 11, from Rotterdam 
Junction, of figures 12, 13, from Duanesburg and that of figure 14 from 
Delanson, all in Schenectady county. All originals are in the State 
Museum 
606 
