Eusarcus scorpionis Grote & Pitt 
Page 233 
See plates 27-32, 34-36 
1 Fragments of two walking legs showing the basal articulations of the 
spines and the membranes of the articulations of the joints. Natural 
size 
2 A complete first walking leg showing the coxal joint with the gnatho- 
base. Half of the paired spines are broken away. Natural size 
3 A female opercular appendage showing also traces of the tubular appen- 
dages. Natural size 
4 Last postabdominal segment and telson, the latter in a lateral view. 
The slender tubular form of the last segment, the curved shape of 
the telson, the articulating bulbous proximal end of the telson and 
its lateral flanges are seen. The apparent serrations are due to later 
cracking of the thickened margins. Natural size 
Horizon and locality. Bertie waterlime. Buffalo, NY. 
The originals of figures 1 and 2 are in the New York State Museum: 
those of figures 3 and 4 are in the museum of the Buffalo Society of 
Natural Sciences 
506 
