194 THE FOEAMINIFEEA 



EXPLANATION OF PLATE 10. 



Fii;. 



X, a. Ellipsoidina eUipsoides, var. ohlonga, Seguenza : o, section of 

 test showing internal arrangement of chambers (after Brady). 

 x20. 



B. Clieilostomella ovoiclea, Renss (after Millett). x 50. 



C. SeahrooMa 2}ellncida, Brady : test as it appears by transmitted 



light. X 100. 



• D. Allomorpldna trigona, Eeuss (after Brady), x 55. 



E. Lagena sulcata, Walker and Jacob (after Brady), x 40. 



F. L. marginata, "Walker and Boys (after Brady), x 30. 



G. Nodosaria (GJandulina) Icevigata, D'Orbigny (after Nengeboren). 



x20. 



H. N. {Dentalina) Adolpliina, D'Orbigny (after Sherborn and Chap- 

 man). X 20. 



I. N. Zippei, Eeviss (after Chapman), x 30. 



J,y. Lingulina semiornata, Reuss : j, oral aspect. x 60. 



K. Frondicularia Pai'keri, Reuss (after Chapman), x 80. 



L, I. Bhahdogoiimm tricarinatum, D'Orbigny sp. (after Silvester) : 

 J, oral aspect, x 50. 



M. MarginuUna 7'aricosta, D'Orbigny. Magnified. 



N. Vaginulina recta, Eeuss (after Berthelin). x 50. 



O. Bimulina glabra, D'Orbigny. 



P. Cristellaria crejndula, Fichtel and Moll sp. Magnified. 



Q. C. budensis, Hantken sp. x 10. 



E. Ampliicoryne parasitica, Schlumberger. < 30. 



S, s. Lingiilinopisis boliemica, Eeuss : s, oral aspect. 



T. Flabellina rugosa, D'Orbigny (after Eeuss). x 16. 



U. Aviphimorpliiiia striata, Eeuss. Magnified. 



V. Dentalinopsis subtriquetra, Eeuss. Magnified. 



