U. S. NATIONAL 







MUSEUM BULLETIN 1 00, VOL. 6, PART 8 PL. 90 





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Forms of Four Species of Obba 

 1 Obba listen caloocam new subspecies; 2, 0. I. subplanulata (Mollendorff); 3, 0. subhorizontalis radcliffei 

 new subspec.es; 4, 0. marmorata ilinensis Bartsch; 5, 0. sarcochroa Havana, new snl, ,, P >^ x" ,, , ™ '* 



