from the u Cambridge Greensand." 51 



" Triloculince near T. tricarinata, d'Orb.," were recorded 

 by G. R. Vine from the Cambridge Greensand, and are 

 probably referable loth to the above species and to M. venusta. 



One typical specimen only of M. tricarinata was found at 

 Swaffham. 



Miliolina Ferussacii (d'Orbiguy) . 



Quinqudoculina Ferussacii, d'Orbigny, 1826, Ann. Sci. Nat. vol. vii. 



p. 801. no. 18; Modele, no. 32. 

 Miliolina Ferussacii (d'Oib.), Chapman, 1891, Journ. R. Micr. Soc. 



p. 574, pi. ix. fig. 8. 



The specimens from Cretaceous deposits show a tendency 

 to become complanate and Spiroloculine. 



M. Ferussacii is fairly common at Swaffham. 



Family Lituolidae. 



Subfamily Litvolinm. 



[Chambered forms. .] 



Reophax, Montfort [1808]. 



Reophax fas ifor mis (Williamson) . 



Proteonina fusiformis, Williamson, 1858, Recent Foram. Gt. Britain, 



p. 1, pi i. fig. 1. 

 Reophax fusiformis (Williamson), Chapman, 1892. Jonrn.R. Micr. Soc. 



p. 320, pi. v. fig. 3. 



Several specimens, agreeing in their general contour with 

 Williamson's species, were found at Swaffham. 



Reophax scorpiurus, Montfort. 



Reophax scorpiurus, Montfort, 1808, Conchyl. Systeme, vol. i. p. 330, 

 83 e genre ; Chapman, 1892, Journ. R. Micr. Soc. pp. 320, 321, pi. v. 

 figs. 4 & 5. 



This form is fairly frequent at Swaffham. 



Reophax folkestoniensis, Chapman. 



Reophax folkestoniensis, Chapman, 1892, Journ. R. Micr. Soc. p. 321, 

 pi. v. figs. 6 a & b. 



It is noteworthy that this species was first described from 

 the Gault of Folkestone from zone x. only. 



R. folkestoniensis occurs with some frequency in the 

 washings from Swaffham. 



4* 



