56 Mr. F. Chapman on Fo rami n if era 



Textularia gramen, d'Orbigny. 



Textularia gramen, d'Orbigny, 1846, Foram. Foss. Vienne, p. 248, 

 pi. xv. figs. 4-6; Chapman, 1892, Journ. R. Micr. Soc. p. 328, pi. vi. 

 figs. 17 a & b. 



Also occurring in the Grault and Red Chalk, this species is 

 frequent in the washings of Cambridge Greensand from 

 Swaffham. 



Textularia sagittula, Defrance. 



Textularia sagittula, Defrance, 1824, Diet. Sei. Nat. vol. xxxii. p. 177, 

 vol. liii. p. 344; Atlas, Conch, pi. xiii. fig. 5 ; Chapman, 1892, Journ. 

 R. Micr. Soc. p. 328, pi. vi. fig. 16. 



One specimen was found at Swaffham. 



Textularia tun-is, d'Orbigny. 



Textularia turris, d'Orbigny, 1840, Mem. Soc. geol. France, vol. iv. 

 p. 46, pi. iv. figs. 27, 28; Chapman, 1892, Journ. R. Micr. Soc. 

 pp. 328, 329, pi. vi. fig. 19. 



A well-distributed Cretaceous foraminiferon. It has been 

 previously recorded from Cambridge by G. R. Vine. 

 T. turris is frequent in the material from Swaffham. 



Textularia prcelonga, Reuss. 



Textularia prcelonga, Reuss, 1845, Verstein. bohm. Kreidef. pt. i. p. 39, 

 pi. xii. fig. 14 ; Chapman, 1892, Journ. R. Micr. Soc. p. 329, pi. vi. 

 fig. 23. 



Three specimens were found at Swaffham. 



Textularia complanata (Reuss). 



Proroporus complanatus, Reuss, 1860, Sitzungsber. d. k. Ak. Wiss. 



Wien, vol. xl. p. 231, pi. xii. tigs. 5 a Sc b. 

 Textularia complanata (Reuss), Chapman, 1898, Journ. R. Micr. Soc. 



p. 13, pi. ii. fig. 7. 



One well-grown individual from Swaffham. 



Textularia hybrida, sp. n. (Fig. 3.) 



Test biserial, rapidly increasing in width towards the aboral 

 end ; sagittate in outline; compressed and of equal thickness 

 throughout. Length "8 millim. ; greatest width *4 millim. 



This form is probably allied to the Proroporus complanatus 



