ARTHROPODA — ARACHNIDA 



315 



Fig. 136. — A representative of the class Arachnida, Euryplertis remipes Dekay, 

 from the Bertie formation (mid-Silurian) of New York. Dorsal view ( X |), 

 showing the compound eyes (c.e.) and the simple ones (s.e.) upon the cephalo- 

 thorax (ceph.), five of the six pairs of legs, and the abdomen {abd.). (Redrawn 

 from Clarke and Ruedemann.) 



