The illustrations listed below are from Plate VII Figures 9-10. They are described as:
"Found in the Nigara Group, at Hartsville, Indiana, and now in the collection of Prof. S.S. Gorby. The specific name is in honor of Dr. Moses N. Elrod, a prominent physician, ardent collector and well known palæontologist of Hartsville, who was the first to discover this species and point out the fact that it is distinct from all others and undescribed. "
blog post for additional images of this species.