U. S. NATIONAL MUSEUM 



BULLETIN 82. PART 4C PLATE 18 



58 



57 



56, 57, Thalassometra peripolos: 56, Type specimen from south of the Nicobar Islands in 1,024 meters, X 2 

 (B.M.); 57, specimen from southeast of Car Nicobar (B.M.). 



58, Crolalometra rustica: Type specimen of Thalassometra marginalis from Siboga station 226, X 2 (Amsterdam 



Mus.). 



59, Thalassometra hirsuta: Type specimen from Albatross station 5445, X 2 (U.S.N.M., 27500). 



