U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 85 PLATE 15 



Species and Subspecies of Chondrothyra (X2) 



1, Chdndrothyra (Chondrothyra) testa aurantia; 2, C. (C.) t. tosta; 3, C. (Plicathyra) crassa; 4, C. (C.) tosta hes- 

 peria; 5, C. (C.) t. lactea; 6, C. (Hendersonoma) percrassa; 7, C. (C) t. toda; 8, C. (C.) t. pertosta. 



