U. S. NATIONAL MUSEUM 



BULLETIN NO. 60 PL. VIII 



1, 3, LEPAS ANSERIFERA; 2, L. HILLII; 4, 5, 6, L. PECTINATA, VARIETIES; 7, L. HILLII; 



8, L. Pectinata. 



For explanation of plate see page 118. 



