U. S. NATIONAL MUSEUM 



514 



BULLETIN 82, PART I PL. 1 



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b 

 516 



519 520 



r) 



522 



5U 



•<l> 



525 



523 624 



Columns and Columnals of Crinoids. 



FOH MPlA\*TIO'. or PLATE SEE PAGE 383. 



526 



