U. S. NATIONAL MUSEUM 



BULLETIN 82 PART 4C PLATE 17 



55 



50-52, Thalassomttra villosa: 50, Type specimen from Albatross station 47X0, 2 il'.S.N.M.. 22fiiO); 51. 52, 

 cotypes from the same locality. 



53,54, Thalassometra attenuata: 53, Specimen from off Mozambique in 914 meters, X 2 (B.M.); 54, type speci- 

 men from south of Kurrachi in 1,398 meters (I.M.). 

 55, Thalafsomftra margaritifera: Type specimen from Siboga station 45 (Amsterdam Mus.). 



