U. S. NATIONAL MUSEUM 



BULLETIN 82. PART 4A PLATE 37 



166 



168 



167 





166, 167, Homalometra denticulata: Specimen from Siboga station 1' ~. 2 (Amsterdam Mus.). 



168, Oxymdra finschii: Proximal pinnules of a cotype from Xevr Britain, X 2 (U.S.K.M., 35268). 



