U S NATIONAL MUSEUM 



PROCEEDINGS. VOU 85 PLATE 25 



SUBSPECIES OF CHONDROTHYRELLA (PLICATH YRELLA) ASSIMILIS (X4) 



1, assimUis; 2, maceoi; 3, gemma; 4, guirensis; 5, abronensis: 6, dmerosi: 7, signata. 



