PLATE XXXVIII. 



Page. 

 Figs. 1, In. Parana mrians Verrill. Two view.s of the same specimen. Fig. 1, general view, 



nat, size; fig. la, ealieular series and eollines, X abont 6 135 



2, 2a, 3. Parana diierdeni, new species. Figs. 2, 2u, two views of the same specimen, fig. 2, 

 general view, nat. size; fig. 2<(, calices, X 5. Fig. 8, view, nat. size, of another 

 specimen 13o 



29S 



