48 HALKYARD, Fossil Foraminifera of the Blue Man 



Not uncommon, but small and weak. 



(The state of preservation of most of the specimens is so 

 poor that their identification is more or less doubtful.) 



83. Clavulina communis, d'Orbigny. 



Clavulina communis, d'Orbigny, 1826, Ann. Sci. Nat., vol. VII, 



p. 268, No. 4. 

 C. communis, Brady, 1884, Chall. Rep., p. 394, pi. XLVIII, 



figs. 1-13. 



Small and rare. 



SUB-FAMILY BULIMININ^E. 



Genus Virgulina, d'Orbigny. 

 84. Virgulina schreibersiana, Czjzek. 



Virgulina schreibersiana, Czjzek, 1848, Haidinger's Nat. Abh., 



vol. II, p. 147, pi. XIII, figs. 18-21. 

 V. schreibersiana, Brady, 1884, Chall. Rep., p. 414, pi. LII, 



figs. 1-3. 



Common throughout the whole extent of the Marl. The 

 specimens are typical and vary only to a slight extent. 



(A very fine series of specimens and abnormally large.) 



84A. [Virgulina subsquamosa, Egger.] 



[Virgulina subsquamosa, Egger, 1857, MSO. p. 295, pi. xii. 



figs. 19-21. 

 V . subsquamosa, Brady, 1884, FC. p. 415, pi. LII. figs. 7-11.] 



85. Virgulina lineata, sp. nov. 

 PI. VIII, fig. 5. 



Test elongate, slightly compressed, lateral edges rounded, 

 tapering at first, afterwards sub-cylindrical. Segments inflated, 

 rather elongated, with tendency in later chambers to show in- 

 ferior margins overlapping and free. Surface ornamentation 

 low longitudinal costae which are not continuous but each con- 

 fined to its own segment. Length .45 mm. 



There is really not much to be said about this form as the 

 description and drawing given show its distinguishing charac- 

 teristics, but attention may be drawn to its affinity on one hand 

 to Bolivina karreriana, Brady, and on the other to Virgulina 

 schreibersiana, Czjzek. As only one specimen has been found 



