PLATE XIII. 



Fig. 1. ASAPHOIDICHNUS DYERI, n. sp. — View of a specimen, natural size. 



Figs. 2 and 3. Trachomatichnus numerosus, u. sp.— Casts from the trails of the 



animal. 

 Fig. 4. The trail itself as made in the sediment, which is now hardened into a rock. 

 Fig. 5. Trachomatichnus permultus, n. sp.— Cast from the trail of the animal. 



