CEPHALOPODA— ANNELIDA— CRUSTACEA. 



(]81) 





- - 



Where Located. 



Geological Age. 



Locality. 









Copy of type figure. 



Delaware ? 



Beaver Creek, Blk. Hills. 





A. N. S.Phil 



N. S. Nat. Mus 



Cret. L. M 







(( a (( 



(( a 







Univ. Calif. 



Rutgers College 



J. W. Wood, Wis. St. Coll 



U. S. Nat. Mus 



Columbia College 



Univ. Calif. 



U. S. Nat. Mus 



Up. Helderb 



Cret. L. M 



Potsdam 



Columbus, Ohio. 

 Neversink Hills, N. J. 







Warrens Peak, Blk. Hills. 





Coal Measures 



Potsdam 



Potsdam 



Marietta, Ohio. 



Lodi, Wis. 

 White Pine, Nev 





Eureka, Nev. 





a a << << ' i( 



(1 (( 





(( (( i( a 



ii 



Hit 





Wis. St. Coll 



Wis. St. Coll 



U. S. Nat. Mus 



Potsdam 



Eau Claire, Wis. 





Potsdam 



Ironton, Wis. 









Camp Baker, Mon. 



Ottawa Basin, Canada. 



Grant Co. , Wis. 

 Apple Riv., Wis. 



Shiloh, N. J. 

 White Pine, Nev. 

 Cincinnati, Ohio. 







Trenton 



Trenton 





Univ. Calif. 









Rutgers College 



U. S. Nat. Mus 



Univ. Calif. 



Miocene 



Quebec 



Hud. Riv 



'' 





a a 





<< (( 



(( 



a a 





James Hall ? 



IC 



a (c 





Wis. St. Coll 



A. M. N. H 



Univ. Calif. 



Niagara 



Hud. Riv 



Niagara 



Kewaunee, Wis. 





Oxford, Ohio. 





Eaton, Ohio. 









