SUPPLEMENT.— FONTANNESIA. clxxxix 



3. Fontannesia LUCULENTA, 8. Buckman. Plato XL VI, figs. !■, 5 (type), fig. 8. 



Plate XLVII, figs. 10—12. 



1892. DUMORTIERIA GRAMMOCEROIDES, This MoilOgr., PI. xlvi, figS. 4, 0, H ; PI. 



xlvii, figs. 10—12. 

 1902. Fontannesia luculenta, Emend. Amm. Norn., p. 0. 



Description. — Sublatumbilicate ; subspissi-subparvicostate ; periphery sub- 

 fastigate, subearinate. 



Distinction. — From Font, grammoceroides, the somewhat smaller umbilicus, 

 the smaller, more closely set, costas. 



-i. Fontannesia obruta, S. Buckman. Suppl., Plate XXIV, figs. 8—11. 



1892. Dumortieria sp., This Monogr, p. 340, footnote. 



Description. — Sublatumbilicate, parvi- to obsoleti-costate; periphery subfastigate, 

 parvicarinate. 



Distinction. — From Font, luculenta, the more degenerate style of costation. 

 Locality and Stratum. — Dorset : Bradford Abbas, in the Fossil Bed. 

 Date of Existence. — Discitge hemera, presumably (by matrix). 



Car mate series. 



5. Fontannesia oarinata, 8. Buckman. Plate XLVII, figs. 13, 14. 



1892. Dumortieria grammoceroides, This Monogr., PL xlvii, figs. 13, 14. 

 1902. Fontannesia carinata, Emend. Anim. Nom., p. G. 



Description. — Rursi- and subcrassicostate ; periphery rounded to subfastigate, 

 subearinate to carinate. 



Remarks. — In the inner whorls of the specimen depicted in Plate XLVII, fig. 

 13, the ribs are not shown coarse enough. 



Localities and Strata — Dorset : Bradford Abbas, Fossil Bed ; Halfway House, 

 from equivalent bed. 



Date of Existence. — Discitx hemera, presumably. 



Dwarf series. 



A. Rursicostate (with lateral auricles). 



a. Flexicostate. 



6. Fontannesia curvata, 8. Buckman. Plate XLVII, figs. 1, 2 (type), figs. 3, J, 5. 



Plate LXV, Figs. 6, 7. 

 1892. Dumortieria grammoceroides, This Monogr., PI. xlvii, figs. 1—5 ; PI. lxv, 



figs. 6, 7. 

 1902. Fontannesia curvata, Emend. Annn. Nom., p. 0. 



