Eurypterus (Onychopterus) kokomoensis Miller & Gurley 
Page 212 
See plate 26 
1 The type (holotype) redrawn. Ventral view of specimen, retaining in 
part the two pairs of walking legs, the balancing legs and swimming 
legs. The last joint of the swimming leg is developed into a spine 
The operculum with the opercular appendage and the attachment 
areas of the gill plates on the sternites are seen. Natural size 
2 A larger specimen showing faint outline of lateral eyes, and some 
of the legs 
Horizon and locality. Kokomo waterlime. Kokomo, Ind. 
Stylonurus (Drepanopterus) longicaudatus nov. 
| Page 316 
‘See plates 54-56 
3 Ventral view of a young individual (paratype) showing the outline of 
carapace and its broad rim, position of eyes, some of the legs and the 
styliform telson. Natural size 
Horizon and locality. Kokomo waterlime. Kokomo, Ind. 
The originals of figures 1 and 3 are in the museum of Chicago University, 
that of figure 2 in the State Museum 
490 
