U. S. NATIONAL MUSEUM 



BULLETIN 76, PART 2 PL. M 



1. ZOROASTER EVERMANNI. 2. Z. EVERMANNI MORDAX. 3. MYXODERMA PLATYACANTHUM RHOMALEUM. 4. M. SAC" 



CULATUM ECTENES. 5. M. SACCULATUM 



For explanation of plate see page facing 



