U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 79, ART 33 PL. 1 



OBOLUS JOHNl AND BECKWITHIA TYPA 



1 2 Obotusjohni, new species, X 4, retouched (igures of the five brachiopods on the test of 

 Jieckwithia:3, Beckwithia typa, new sjieeies, X 2, slightly retouched figure of the holotype 



