U. S- NATIONAL MUSEUM 



BULLETIN 82 PART 4C PLATE I 



1, Sienometra snelliusi: Type ecimen B rord Snellh 



2,3, Sttnometraquinquecostata: 2, Type specimen of 5 nometrc m B - 2(B.M.)j 



3, specimen of S. cristata from Albatross sun m ; :" ; . 2 (1 S.N.M., 3559! 



