U. S NATIONAL MUSEUM 



BULLETIN 82, PART 4B PLATE 30 



163 



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161, Colobomctra arabica: The type specimen from Mabahiss station 10, X 2 (B.M.). 



162, Stephanomelra spicata: Specimen from Mabahiss station 10, X 2 (B.M.)- 



163, Oligovietra serripinna var. occidenlalis from Mabahiss station 27, X 2 (B.M.). 



164, 165, Slephananometra indica indica: Proximal pinnules of specimens from Mabahiss station M.B.t/., X 2 (B.M.)- 



