CRUSTACEA. 



(182) 



Where Located. 



Geological Age. 



Locality. 



U. S. Nat. Mus.... 



Wis. St. Coll 



U. S. Nat. Mus.'.'..' 

 Wis. St. Coll '.. 



U. S. Nat. Mus.... 

 Wis. St. Coll 



U. S. Nat. Mus.... 



i< ti (£ 



a a ti 



a a (< 



a a a 



6( it (C 



6i it a 



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A. M. N. H 



Univ. Calif 



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 i( <( 

 U. S. Nat. Mus... 



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Univ. Calif 



Wis. St. "coii!!!!.' 



U. S. Nat. Mus.. 

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a ii a 



Columbia College 



a a 



a i i 



Wis. St. Coll 



Univ. Calif. 



Univ. Calif. 



Potsdam. 



Potsdam . 



Quebec . 

 Potsdam . 



White Pine, Nev. 



Eau Claire, Wis. 



li n 



Ute Park, Utah. 

 White Pine, Nev. 

 Hudson, Wis. 



Potsdam Castle Creek, Blk. Hills. 



" Berlin, Wis. 



" i Eau Claire, Wis. 



" j Castle Creek, Wis. 



White Pine, Nev. 



Schell Creek, Nev. 



Eufeka, Nev. 



Pogonip Mts., Nev. 



Camp Baker, Mont. 



Eureka Nev. 



Quebec ' Call's Fort, Utah. 



Potsdam i Eureka, Nev. 



Hud. Riv. 



Calciferous 



Potsdam j Lodi, Wis. 



Lebanon, Ohio. 



Baraboo, Wis. 



Calciferous. 

 Potsdam.... 



Quebec 



Potsdam.... 



Quebec 



Baraboo, Wis. 

 W^hite Pine, Nev. 

 Call's Fort, Utah. 

 Eureka, Nev. 

 Lodi, Wis. 

 Prairie du Sac, Wis. 

 Mazomania, Wis. 

 Eureka, Nev. 

 Ute Park, Utah. 



" i Call's Fort, Utah. 



Erie shales Leroy, Ohio 



Potsdam 



Niagara group . . . 

 Lower Helderb. 



Hudson, Wis. 

 Yellow Springs, Ohio. 

 Put-in-Bay Island, Lake Erie. 



