252 MESSRS. BRADY, PARKER, AND JONES 
[A figure of the stouter fusiform variety (“ Polymorphina liassica,” Strickland) is given at 
p. 220, Woodeut e.] 
Fig. 6. P. cylindroides, Roemer: a and 5, copied from Roemer’s figures (Tertiary) ; c, after Williamson 
(* P. lactea, var. acuminata ?) recent. 
oblonga, Williamson. From Williamson's figures of a recent specimen. 
anceps, Philippi: a and 5, exterior aspects of the shell; c, diagram showing dms AM 
after Reuss. 
Fig. 9. P. Burdigalensis, D'Orbigny : drawn from D'Orbigny's “ Modèle no. 29.” 
Fig. 10. P. communis, D'Orbigny. Copied from the original figures in the “ Tableau Méthodique." 
Fig. 11. P. problema, D’Orbigny: a, drawn from D'Orbigny's * Modèle no. 61;" b, specimen from 
the Crag. 
E 
CS 
PLATE XL. 
Fig. 12. Polymorphina compressa, D'Orbigny: a, recent specimen, after Williamson (* P. lactea”); 
b, specimen from the Crag ; c and d, Miocene specimens, after D'Orbigny ; e, broken example 
from the Crag, showing the mode of septation and anomalous labyrinthic aperture; f, portion 
of thickened shell-wall, in which the pores have become lengthened into tubes; g, porous 
aperture of a specimen from the Crag. 
Fig. 18. P. regularis, Von Münster. Copied from Prof. Reuss's figures. 
Fig. 14. P. complanata, D'Orbigny. Copied from D'Orbigny's figures (Vienna Basin). 
[Figures of a range of varietal forms are given at p. 280, Woodcuts f to J.] 
Fig. 15. P. elegantissima, Parker and Jones. Recent specimens: a, from Melbourne, Australia; 6 and c 
from Storm Bay, Tasmania. | 
Fig. 16. P. trigonula, Reuss, sp.: enlarged from Prof. Reuss’s figures. 
Fig. 17. P. Thouini, D'Orbigny: drawn from D'Orbigny's ** Modéle no. 23." 
Fig. 18. P. nodosaria, Reuss: after Reuss. : 
Fig. 19. P. rotundata, Bornemann, sp. (the typical form is shown at p. 234, Woodcuts 5 l, m) : a and b, 
variety figured by Bornemann as “ Guttulina incurva; c, d, and e, variety figured by Borne- 
mann as “ Guttulina fracta." 
Fig. 20. P. Soldanii, D'Orbigny. Copied from Soldani. 
Fig. 21. P. Humboldtii, Bornemann. After Bornemann. 
Fig. 22. P. concava, Williamson. After Williamson. 
Fig. 23. P. rugosa, D'Orbigny: a and b, “ Globulina rugosa," D'Orbigny (Miocene) ; c and d, “ Poly- 
morphina rugosa," D'Orbigny (recent, Cuba). 
Fig. 24. P. variata, Jones, Parker, and Brady. Drawn from a Crag specimen. 
PLATE XLI. 
Fig. 25. Polymorphina digitalis, D'Orbigny. After D'Orbigny (Miocene). 
Fig. 26. P. granulosa, Egger. After Egger (Miocene). 
Fig. 27. P. australis, D'Orbigny. After D'Orbigny (recent, Patagonia). 
Fig. 28. P. pulchella, D'Orbigny. After D'Orbigny (recent, Cuba). 
Fig. 29. P. irregularis, D'Orbigny. After D'Orbigny (recent, West Indies). 
Fig. 30. P. myristiformis, Wiliamson: a, specimen with delicate markings, after Williamson (recent); 
5 and c, specimens from Eddystone, with stronger interrupted cost. 
Fig. 31. P. costata, Egger. After Egger (Miocene). 
Fig. 32. P. regina, n. s. Recent specimen from Storm Bay, Tasmania. 
Fig. 33. P. frondiformis, Searles Wood. From Crag specimens. 
