Page:Second Geological Survey of Pennsylvania Report of Progress PPP.djvu/41

 joints of the palpi and the entire palpi are longer, and the body is conspicuously shorter and broader.

The Cannelton specimens possess the characters of typical Eurypterus in all the more important parts. The carapace is in all respects that of Eurypterus; the form and position of the eyes are the same. The body and telson are entirely identical with species of that genus. The median appendage of the thoracic plate is narrow, elongate, and bifurcate at the posterior extremity as in Eurypterus. The