Report on Foraminifera. By F. W. Milldt, 255 



Cristellaria acutauricularis Fichtel and Moll sp. 



Nautilus acutauricularis Fichtel and Moll, 1803, Test. Micr., 

 p. 102, pi. xviii. figs. g-i. Cristellaria acutauricularis (F. and M.) 

 Parker and Jones, 1860, Ann. and Mag. Nat. Hist., ser. 3, vol. v. 

 p. 114, No. 20. C. acutauricularis (F. and M.) Sherborn and 

 Chapman, 1886, Journ. E. Micr. Soc, ser. 2, vol. vi. p. 753, pi. xv. 

 fig. 22. G. acutauricularis (F. and M.) Haeusler, 1890, Abhandl. 

 schweiz. pal. Gesell., vol. xvii. p. 113, pi. xv. fig. 17. C. acutauri- 

 cularis (F. and M.) Crick and Sherborn, 1891, Journ. Northampton- 

 shire Nat. Hist. Soc, vol. vi. p. 212, pi. fig. 25 ; and 1892, vol. vii. 

 pi. ii. figs. 17, 18. C. acutauricularis (F. and M.) Egger, 1893, 

 Abhandl. k. baver. Akad. Wiss., 01. II. vol. xviii. p. 353, pi. xii. 

 figs. 19, 20. C. acutauricularis (F. and M.) Flint, 1899, Kep. U.S. 

 Nat. Mus. for 1897 (1899), p. 316, pi. Ixiii. fig. 5. C. acutauricu- 

 laris (F. and M.) Chapman, 1900, Quart. Journ. Geol. Soc, vol. lvi. 

 p. 259, pi. xv. fig. 9. 



The examples of this species are small and pass imperceptibly 

 into G. gibba. 



It occurs at several Stations in both Areas, but always in small 

 numbers. 



In the recent condition this is by no means a common form, 

 although it has a very wide range. Besides the localities men- 

 tioned by Brady it has been recorded by Egger from Mauritius, 

 and by Flint from two Stations off the Atlantic coast of the 

 .United States. 



Cristellaria gibba d'Orbigny. 



Cristellaria gibba d'Orbigny, 1826, Ann. Sci. Nat., vol. vii. 

 p. 292, No. 17. C. gibba d'Orbigny, 1839, Foram. Cuba, p. 40, 

 pi. vii. figs. 20, 21. C. gibba (d'Orb.) Burrows, Sherborn, and 

 Bailey, 1890, Journ. E. Micr. Soc, p. 259, pi. x. figs. 19, 21. C. 

 gibba (d'Orb.) Crick and Sherborn, 1891, Journ. Northamptonshire 

 Nat. Hist. Soc, vol. vi. p. 212, pi. fig. 29. C. gibba (d'Orb.) Egger, 

 1893, Abhandl. k. bayer. Akad. Wiss., CI. II. vol. xviii. p. 352, 

 pi. xii. figs. 21, 27. C. gibba (d'Orb.) Silvestri, 1893, Mem. Pontif. 

 Accad. Nuovi Lincei, vol. ix. p. 207, pi. vi. fig. 4. C. gibba (d'Orb.) 

 Goes, 1894, K. Svenska Vet. -Akad. TIandl., vol. xxv. p. 61, pi. x. 

 figs. 287, 288. C. gibba (d'Orb.) Fornasini, 1894. Mem. E. Accad. 

 Sci. 1st. Bologna, ser. 5, vol. iv. p. 221, pi. iii. fig. 20. C. gibba 

 (d'Orb.) Jones, 1895, Pabeont. Soc, p. 247, pi. vii. fig. 19. C. gibba 

 (d'Orb.) Chapman, 1896, Journ. E. Micr. Soc, p. 4, pi. i. fig. 7. 

 G. gibba (d'Orb.) Burrows and Holland, 1897, Proc Geol. Assoc, 

 vol. xv. pp. 44, 45, pi. ii. figs. 5, 6. C. gibba (d'Orb.) Flint, 1899, 

 Eep. U.S. Nat. Mus. for 1897 (1899), p. 317, pi. lxiv. fig. 1. C. gibba 

 (d'Orb.) Chapman, 1900, Journ. Linn. Soc. (Zool.) vol. xxviii. p. 31, 



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