248 THE FOEAMINIFEKA 



EXPLANATION OF PLATE 14. 



Fig. 



A, a, Nummulites elegans, Sowerby sp. : A, lateral aspect; a, vertical 

 section, x 10. 



B. N. elegans, Sowerby sp. : median section, x 20. 



C, c. Assilina exponens, Sowerby sp. : C, lateral aspect ; c, peripheral 

 aspect. Natural size. 



D, (7. Cycloclypeus Carpenteri, Brady : forui A ; D, lateral aspect ; d, 

 peripheral aspect, x 5. 



E. C. Carpenteri ; form B. Natural size. 



F, /. Orhitoides p)apyracea,'Bo\i\>ee s^,: /, peripheral aspect. Natural 

 size. 



G. 0. pap>yracea, Boubee sp. : vertical section of a larger specimen. 

 Natural size. 



H. O. papyracea, Boubee sp. : median to tangential section ; ?«, rect- 

 angular chamberlets of median layer ; s, areolated chamberlets 

 of superficial layer, x 6. 



I. Type of Lepidocycline structure in median layer of Orhitoides 

 (Lepidocyclina) VerbeeJci, Newton and Holland, x 75. 



J. Type of Discocyline structure in median layer of Orhitoides 

 (Discocyclina) p)apyracea, Boubee sp. x 50. 



