T .BOX ANiCAL 



JOUIiNALi GARDEN 



OF THE 



ROYAL MIOROSOOPIOAL SOCIETY. 



AUGUST 1888. 



TEANSACTIONS OF THE SOCIETY. 



VIII. — Additions to the KnoivJedge of the Carboniferous 



Foraminifera. 



By the Eev. Walter Howchin, F.G.S. 



(Bead ISth June, 1888.) 



Plates VIII. and IX. 



Eeseakches in relation to the Carboniferous Foraminifera of the North 

 of England were begun by the author in 1873, and some of the earlier 



EXPLANATION OF PLATES. 

 Plate VIII. 



Figs. 1,2. — Hyperammina elongata, YSLT. clavatula, nov. .. .. x 60 diam. 



„ 3. — vagans, Bradj .. .. .. ..X 50 diam. 



„ 4. — Placoiosilina cenomana, di'OT:h\^Y •• •• •• ■■ X 35 diara. 



„ • 5. — Lituola 7'otundata, sp. nov. . . , . . . . . . . X 50 diam. 



„ 6. , transverse section . . . . , . x 50 diam. 



„ 7. — Lituola Bcnnieana, Brady . . . . . . . . . . x 55 diam. 



Vertical section showing the coarse perforation of the test. 



„ 8,9. — Wehbina fimhriata, s^.TXOY. .. .. .. .. .. X 100 diam. 



„ 10. — Endothyra circumplicata, sp. nov. . . . . , . . . X 40 diam. 



a, b, the two lateral aspects of the test. 



„ 11. , transparent section showing the 



septal plane of the last convolution at right angles to 



that of the earlier whorls . . .. .. .. .. x 45 diam. 



Plate IX. 

 „ 12. — Endothyra conspicua, ST^.noY... .. ,. .. ..X 35 diam. 



„ 13. radiata, var. Tateana, nov. . . . . . . X 40 diam. 



a, lateral aspect ; 6, peripheral aspect. 



„ 14. X 40 diam. 



Weathered specimen exhibiting the double septal partitions. 



„ 15. , transparent section ., .. ., x 45 diam. 



„ 16. — Webhina irregularis, d'Orbigny, attached specimen .. X 35 diam. 



.„ 17." , inferior surface of two detached chambers x 35 diam. 



(y^ „ 18. — ArcAselagena Jlowchinia'iia, 'Brady, sp. .. .. .. x 45 diam. 



(^^ Transparent section through a group showing interseptal 



^2 communication. 



^"""^ „ 19. — Stacheia moriformis, STp. nor. .. .. .. .. ..X 35 diam. 



<^ „ 20. , transparent section .. ,. .. x 60 diam. 



g(l „ 21. — Nodosaria (D.) farcimen, SoldsLni sp. . . .. .. .. x 60 diam. 



a, lateral aspect ; b, apertural end. 



^ „ 22. — PateUina Bradyana, sp. nov. . . . . . . . . . . X 65 diam. 



-^ Lateral aspect of a tall specimen. 



^^ „ 23. . a, lateral aspect of a short specimen x 55 diam. 



b, inferior face of another shell . . . . . . . . x 65 diam. 



5, 24. , transverse section . . . . , . x 55 diam. 



J, 25. , longitudinal section . . , . . . x 55 diam. 



1888. 2 p 



