U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 89 PLATE 62 



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1, 2, Mellita lata, new species: Bare test, aboral and oral surfaces, of small specimen from 



La Mancka, \'eracruz, Mexico. 

 3-6, Mellita latiambulacra, new species: Young; 3 and 4 with spines; 5 and 6, bare test. 



From Santos, Brazil. 



