484 Transactions of the Society. 



MiLiOLiNA Williamson [1858]. 



Miliolina trigonula (Lamarck), plate XI. fig. 1. Miliolites tri- 

 gonula Lamarck, Ann. Museum, v. (1804) p. 351, No. 8 ; Triloculina 

 trigonula (Lam.) d'Orbigny, Ann. Sci. Nat., vii. (1826) p. 229, No. 1, 

 plate xvi. tigs. 5-9 ; Modele, No. 93. — Common, but very small ; the 

 specimen figured is large in comparison with the others found in the 

 Piccadilly Clay. Previously recorded from Sheppey and Haverstock 

 Hill. 



Miliolina venusfa (Karrer), plate XI. figs. 2, 3. QuinquelocuUna 

 venusta Karrer, Sitz. k. Ak. Wiss. Wien, Ivii. (1868) p. 147, plate ii. 

 fig. 6. — Four individuals. New to the London Clay. Dr. Karrer's 

 specimens came from the Miocene of Kostej. 



CoENUSPiKA Schultze [1854]. 



Cornuspira involvens (Keuss), plate XI. figs. 4, 5. Operculina 

 involvens Eeuss, Denkschr. k. Ak. Wiss. Wien, i. (1849) p. 370, plate 

 xlv. fig. 20 ; Cornuspira involvens Eeuss, Sitz. k. Ak. Wiss. Wien, 

 xlviii. 1863, p. 39, plate i. fig. 2. — One specimen found by Mr. A. 

 M. Davies in a sample of clay given him by one of us. Previously 

 recorded from the London Clay of Sheppey by Mr. Shrubsole. 



Cornuspira carinata (Costa), plate XI. fig. 6. Operculina cari- 

 nata Costa, Atti Ace. Pontan., vii. (1856) p. 209, plate xvii. fig. ] 5 a, fc. 

 — One individual, which, though damaged, still preserves its characters. 

 This specimen almost exactly corresponds to the form figured by 

 Eeuss, from the Septarienthon of Ofi'enbach, as C. Bornemanni, Sitz. 

 k. Ak. Wiss. Wien, xlviii. 1863, p. 39, plate i. fig. 3, which is the 

 same form as C. carinata (Costa), New to the London Clay. 



Haplophragmium Eeuss [1860], 



Haplophragmium agglutinans (d'Orbigny), plate XI. fig. 8. 

 Spirolina agglutinans d'Orbigny, Foram. Foss. Vienne, 1846, p. 137, 

 plate vii, figs, 10-12. — One example. New to London Clay. 



Thueammina Brady [1879]. 



Thurammina papillata Brady, plate XI. fig. 9. Brady, Quart. 

 Journ. Micr, Sci., xix, (1879) p, 45, plate v. figs. 4-8. — Not previously 

 recorded from Tertiary beds, Dr, Haeusler * has described numerous 

 varieties from the Jurassic of Switzerland, and Dr, Uhlig | from beds 

 of the same horizon in Austria and Wurtemberg. 



Ammodiscus Eeuss [1861]. 



Ammodiscus incertus (d'Orbigny), plate XI. fig. 7. Operculina 

 incerta d'Orbigny, Foram, Cuba, 1839, p, 71, pi. vi. figs. 16, 17. — 



' Neues Jahrb., 1883 (1), p. 60; Annals Mag. Nat. Hist. 5, xi, 1883, p. 262; 

 Quart. Journ. Geol. Soc, xxxix. 1883, p. 27 ; Neues Jahrb, BB iv, (1), 1885, p. 30. 

 t Neues Jahrb., 1882, p. 152, 



