from the '* Camhridye Greensand.^^ 51 



^' Trilocuh'jice near 2\ trican'nata, d'Orb.," were recorded 

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

 probably referable both to the above S))ecies and to M. venmta. 



One typical specimen only of M. tricarinata was found at 

 Swaft'ham. 



MilioUna Ferussacii (d'Orbigny). 



Quinquelocidina Ferussacii, d'Orbi-^nv, 1826, Aun. Sci. Nat. vol. vii. 



p. -m. 110. 18 ; Modele, no. 32. 

 Milioliua Ferussacii (d'Orb.), Cbapnian, 1891, Journ. R. Micr. Soc. 



p. 574, pi. ix. %. 8. 



The specimens from Cretaceous deposits show a tendency 

 to become complanate and Spiroloculine. 



M. Ferussacii is fairly common at Swaffhara. 



Family LituolidaB. 



Subfamily Litvolin^^ 



[ Chamhered forms. ] 



ReophaXj Montfort [1808]. 

 Reophax fusiformis (Williamson) . 



Froteom'na fttsijormis, Williamsou, 1858, Recent Foram. Gt. Britaiu, 



p. 1, pi i. fig. 1. 

 FeojjJtax fusifvrvns (\\illiaiiison), Cbapman, 1892. Joiuu. R. Micr. Soc. 



p. 320, pi. V. fig. 3. 



Several specimens, agreeing in their general contour with 

 AVilliamson's species, were found at Swaffham. 



Heajjliax scorpiurus, Montfort. 



Reophax scorpiurus, Moutfort, 1808, Coucbyl. Systerue, vol. i. p. 330, 

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

 tigs. 4 & 5. 



This form is fairly frequent at Swaffham. 



Eeophax folkestonie/isisj Chapman. 



Heophax folkestoniensis, Ch&^^man, 1892, Journ. R. Micr. !Soc. p. 321, 

 pi. V. tigs. Ga& b. 



It is noteworthy that this species was first described from 

 the Gault of Folkestone from zone x. only. 



E. fulkeatoniensis occurs with some frequency in the 

 Avashings from S waif ham. 



4* 



