Z. D. Burling — Protichnites and GUmactichiiites. 393 



Fig. 3. 







.k"^. 







Upper Cambrian Trail, New Lisbon, Wisconsin. 

 Fig. 3. Climactichnites young L (Chamberlin), 3/4 nat. size. (After Wal- 

 cott.) U. S. Nat. Mns. 



(As now interpreted the animal moved toward the bottom of the page.) 



