CUSHMAN 



PLATE 1 



1. Orthophragmina antillea, n. sp. Type specimen, X 4. Radiating ribs and central umbonal 



mass only shown. 



2. Orthopragmina marginata, n. sp. Type specimen, X 4. Upper marginal portion of specimen 



broken away. 



3. Lepidocydina gigas, n. sp. Type specimen, 0.8 natural size. Specimen incomplete. 



4 and 5. Lepidocydina gigas, n. sp. Two smaller specimens from type locality, 0.8 natural size. 



