50 Mv. F. Cliapnian on Foraminifera 



Order FOliAMINlFERA. 



Family Miliolidae. 



Subfamily MiLiOLjyiy^. 



SpiROLOCULINA, d'Orbigny [1826J. 



Spirolociih'na nitida, d'Orbigny. 



Spiroloculina nitida, d"Orbinrnv, 1826, Ann. Sci. Nat. vol. vii. p. 298. 

 no. 4 (Soldani, 17Uo, Testaceooriaphia, vol. i. pt. 3, p. 229, pi. civ. 

 fifrs. 11, mm?); Chapman, 1898, Jouru. R. Micr. See. pp. 10, 11, 

 pi. ii. fig. 3. 



A somewhat fragmentary specimen, similar in form to that 

 from the Gault^ was found at SwafFliara. 



Spiroloculina tenuis (Czjzek). 



Quinqueloculina tenuis, Czjzek, 1847, Haidinger's Naturw. Abliaudl. 



vol. ii. p. 140, pi. xiii. figs. 31-34. 

 Spiroloculina teyuiis (C/jzok), Burrows, Slierborn, and Bailey, 1890, 



Journ. R. AMicr. Soc. p. 551, pi. viii. fig. 2. 



This species is one of the few which have not been noticed 

 in my Gault washings from Folkestone; but it has been 

 recorded from the lied Chalk of Speeton by Burrows, Slier- 

 born, and Bailey. 



One specimen was found at SwafFham. 



MiLlOLiNA, Williamson [1858]. 

 Miliolina venusta (Karrer). 



Quinqneloadina vcmititn, Karrer, 1808, Sitzungsb. k. Ak. Wiss. Wien, 



vol. Ivii. p. 147, pi. ii. fig. 6. 

 Miliolina venusta (Kanor), Chapman, 1891, Journ. R, Micr. Soc. p. 573, 



pi. ix. figs. 6 a k b, 0. 



This is a neat little form approaching .1/. tricarinata, but 

 with the angles of the ])receding series of chambers projecting 

 beyond and through the facesof the last-formed and enveloping 

 series. ]t is a familiar species in Gault washings from the 

 upper half of the formation. 



M. venusta is common in the Cambridge Greensand of 

 SwafFham. 



Miliolina tricarinata (d'Orbigny). 



Triioculiyia tricarinata, d'Orbigny, 1820, Ann. Sci. Nat. vol. vii. p. 299. 



no. 7 ; Modele, no. 94. 

 Miliohna tricarinata (d'Orb.), Chapman, 1891, Jouru. K. Micr. Soc. 



p. 574, pi. ix. figs. 9 « A: b. 



